Spring Lock Aluminum Rigging Block

The ISC Spring Lock Aluminum Rigging Block is a heavy-duty and durable mechanical tool that is used by arborists for rigging procedures. It 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 a quick-twist rope access.

High-Quality Design: The Spring Lock Rigging Block consists of an Aluminum alloy cheek plates, bushing, and sheave, which are all supported by stainless steel axles. It has color-coded parts for easy identification, and is designed to have round edges and compact overall construction. The sheaves of this  rigging block have an excellent bend radius, ensuring durability and high performance in the field.

Product Options

The ISC Spring Lock Aluminum Rigging Block comes in different options that vary on the sheave size and color. Kindly choose your preference on the options menu above.

The 1/2" Sheave can hold up to 1/2" diameter ropes, while the orange sheave that has a 2 3/4" size can accommodate up to 5/8" ropes. Both of the green sheaves can hold up to 3/4" diameter ropes.

• 1/2", Gray Sheave (36219)
• 2-3/4", Orange Sheave (16454)
• 2-3/4", Green Sheave (16455)
• 4-5/8", Green Sheave (21862)