The ISC Medium Spring Pin Aluminum Rigging Block is a heavy-duty and durable mechanical tool that is used by arborists for rigging procedures. Compact and has a unique upper sheave, this ensures a safe and effective transport by assisting the working rope, and providing a smooth and easy workflow during lifting. This multifunctional and versatile block offers high strength-to-weight ratio, and has an easy open and close mechanism with its spring pin, for rope access.
High-Quality Design: This ISC Rigging Block comes with blue, powder-coated, rounded aluminum side plates, an aluminum sheave, a bushing, and a stainless steel axle, ensuring strong and reliable device. It has a tensile strength 33,000 lbs., a safe working load of 6,600 lbs., and can accommodate up to 3/4" diameter ropes. This rigging block has a sheave diameter of 2 3/4", and an overall high-quality function, making it a dependable utility in the field.