Heavy-duty webbing and heavy-duty stitching Extremely lightweight with a great strength-to-weight ratio Ideal for a variety of tree climbing and tree rigging applications Quick and easy attachment...

The CMI MA KIT 4:1 Mechanical Advantage System (4" Pulleys) is a high-capacity hauling setup designed for heavy-duty lifting, rescue, and rigging applications. With a 4:1 mechanical advantage and...

The CMI MA KIT 4:1 Mechanical Advantage System is a high-efficiency hauling setup designed for serious lifting, rescue, and tensioning tasks. With a 4:1 mechanical advantage, this system offers...

The CMI MA KIT 3:1 Mechanical Advantage System is a compact, powerful haul system designed to give you greater lifting efficiency when rigging, rescuing, or tensioning. With a 3:1 mechanical...

The CMI MA KIT 2:1 Mechanical Advantage System is a ready-to-go haul system designed for rigging, rescue, or general lifting applications. Built around CMI’s durable 2" aluminum pulleys and...

Brand New and Perfectly Small! If you're looking for a truly compact arborist block to use with your 1/2" rigging lines, then look no further. The new RP162 from CMI literally fits in the palm of...

The Perfect Blend of Small Block & Large Capacity! If you're looking for a compact arborist block with big performance capability, then this is the one! For use with up to 3/4" rigging lines,...

Beefy construction for heavy rigging Ideal for use with large ropes Anodized aluminum sideplates Aluminum sheave Bushing Stainless axle  

Great Block + Cool Logo = Easy Choice! The RP145 is one of our most popular arborist blocks, bar none. It is just a solid, beefy block that holds up well thanks to its solid steel construction. And...

Stainless sideplates Aluminum sheave Bushing Stainless axle

Stainless sideplates Aluminum sheave Bushing Stainless axle