Rigging blocks save the working life of your ropes. these ISC 200 Series Rigging Pulleys are up to 150% stronger than their predecessors and are built to withstand even the toughest rigging jobs with ease. Made from hot forged high-strength aluminium frames with a unique axle/frame interlocking design using heat treated hardened stainless steel axles, which reduces the inherent tendency to deform or flex under extreme loads. The low-profile Springlock mechanism features a Safelock locking button to offer further security and ease of use. Simply push the Safelock button and turn the axle head 180° to the release position. The Safelock button can be depressed and the pin head rotated in a continuous one-handed action.
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