{"product_id":"isc-200-series-16mm-rigging-pulley","title":"200 Series Small Rigging Pulley 16mm","description":"\u003ch1\u003eISC RP251 200-Series Small Rigging Pulley 16mm\u003c\/h1\u003e\n\n\u003cp\u003eThe ISC RP251 200-Series Small Rigging Pulley 16mm is a next-generation professional arborist rigging pulley designed for demanding lowering, lifting and controlled dismantling applications. Manufactured in the UK by ISC in North Wales, this pulley is built for exceptional strength, reliability and trusted performance in professional tree rigging systems.\u003c\/p\u003e\n\n\u003cp\u003ePart of ISC’s 200 Series, the RP251 has been redesigned from the ground up using advanced stress analysis, hot-forged high-strength aluminium frames and heat-treated hardened stainless steel axles. The result is a pulley that is up to 150% stronger than previous designs, with a powerful 50kN working load limit for serious rigging applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eISC RP251 200-Series Small Rigging Pulley\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with up to 16mm rope\u003c\/li\u003e\n  \u003cli\u003eNext-generation ISC 200 Series rigging pulley\u003c\/li\u003e\n  \u003cli\u003eManufactured in the UK by ISC in North Wales\u003c\/li\u003e\n  \u003cli\u003eHot-forged high-strength aluminium frame\u003c\/li\u003e\n  \u003cli\u003eUp to 150% stronger than previous ISC rigging pulley designs\u003c\/li\u003e\n  \u003cli\u003eHeat-treated hardened stainless steel axle system\u003c\/li\u003e\n  \u003cli\u003eUnique axle\/frame interlocking design to reduce flex under load\u003c\/li\u003e\n  \u003cli\u003ePatent-pending SafeLock locking mechanism\u003c\/li\u003e\n  \u003cli\u003eLow-profile locking system with quick-action operation\u003c\/li\u003e\n  \u003cli\u003e50kN \/ 11,240lbf working load limit\u003c\/li\u003e\n  \u003cli\u003eApproved to CE Machinery Directive 2006\/42\/EC\u003c\/li\u003e\n  \u003cli\u003eUKCA approved to Supply of Machinery Safety Regulations 2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNext-Generation ISC Rigging Pulley\u003c\/h2\u003e\n\u003cp\u003eThe ISC RP251 forms part of the new 200 Series range, created to improve strength, reliability and ease of use while retaining the trusted performance professional arborists expect from ISC rigging equipment.\u003c\/p\u003e\n\n\u003ch2\u003eUp to 150% Stronger\u003c\/h2\u003e\n\u003cp\u003eISC redesigned the pulley plates using state-of-the-art stress analysis tools, reshaping and redistributing material within the hot-forged aluminium frame to maximise strength under demanding rigging loads.\u003c\/p\u003e\n\n\u003ch2\u003eAxle \u0026amp; Frame Interlocking Design\u003c\/h2\u003e\n\u003cp\u003eThe 200 Series uses a unique axle and frame interlocking design combined with heat-treated hardened stainless steel axles. This helps reduce deformation and flex under extreme loads, improving strength and long-term reliability.\u003c\/p\u003e\n\n\u003ch2\u003ePatent-Pending SafeLock Mechanism\u003c\/h2\u003e\n\u003cp\u003eThe new SafeLock mechanism builds on the reliability and ease of use of ISC’s popular SpringLock system, offering a low-profile design while maintaining quick, practical operation during rigging setup.\u003c\/p\u003e\n\n\u003ch2\u003eMade in the UK\u003c\/h2\u003e\n\u003cp\u003eISC rigging pulleys are designed and manufactured at ISC’s factory in North Wales, where the company has been producing professional safety components and “Solutions in Metal” for over 50 years.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd; text-align:left; font-size:14px;\"\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eProduct Name\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eISC RP251 200-Series Small Rigging Pulley\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eProduct Code\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eRP251\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eMaximum Rope Diameter\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e16mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eWorking Load Limit\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e50kN \/ 11,240lbf\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eFrame Material\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eHot-forged high-strength aluminium\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eAxle Material\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eHeat-treated hardened stainless steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eLocking Mechanism\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003ePatent-pending SafeLock\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eApprovals\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eCE Machinery Directive 2006\/42\/EC, UKCA Supply of Machinery Safety Regulations 2008\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eManufacturing\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eDesigned and manufactured in the UK\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional arborist rigging systems\u003c\/li\u003e\n  \u003cli\u003eTree dismantling and controlled lowering\u003c\/li\u003e\n  \u003cli\u003eRigging setups using up to 16mm rope\u003c\/li\u003e\n  \u003cli\u003eHigh-strength lowering and load-control applications\u003c\/li\u003e\n  \u003cli\u003eArborists needing trusted UK-made rigging hardware\u003c\/li\u003e\n  \u003cli\u003eDemanding tree surgery and forestry rigging operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/pulleys\"\u003ePulleys\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/lowering-rigging\"\u003eLowering \u0026amp; Rigging Equipment\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/rigging-ropes\"\u003eRigging Ropes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/carabiners-connectors\"\u003eCarabiners \u0026amp; Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.gustharts.com\/blogs\/news\"\u003eArborist Guides \u0026amp; Advice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eThe ISC RP251 200-Series Small Rigging Pulley is best suited to professional arborists who need a strong, reliable and UK-made pulley for demanding rigging and lowering work.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the ISC RP251 200-Series Small Rigging Pulley?\u003c\/h2\u003e\n\u003cp\u003eWith its 50kN WLL, SafeLock mechanism, hot-forged aluminium frame and hardened stainless steel axle system, the ISC RP251 delivers serious next-generation strength for professional arborist rigging.\u003c\/p\u003e","brand":"ISC","offers":[{"title":"Default Title","offer_id":45718553264372,"sku":"IS-RP251A1","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/ISC_200_Series_16mm_Rigging_Pulley.png?v=1756826269","url":"https:\/\/www.gustharts.com\/en-us\/products\/isc-200-series-16mm-rigging-pulley","provider":"Gustharts","version":"1.0","type":"link"}