Rigging Blocks

This 5/8" pulley from ISC is perfect for medium rigging applications. Rated at 70 kN, (15,737 lbs) it is the strongest 5/8" pulley of its class. Th...

The RP055 from ISC is a 3/4" capacity spring block perfect for the working arborist. Compact design and the unique upper sheave opens and closes an...

This 1/2" pulley from ISC is perfect for small rigging applications. Rated at 50 kN, (11, 240 lbs) is the strongest 1/2" pulley in its class. The b...

ISC 1/2" Mini-Block and 5/8" x 8 ft. falsecrotch lanyard combo.  

Small and lightweight yet strong, this double pulley can be used in a variety of rigging situations.  Rated at 36kN (8,400 lbs.)

The RP050 from ISC is a hot-forged aluminum block made from aluminum alloy designed to work with your ropes to absorb the huge forces associated wi...

The hot forged swing-cheek pulley with an in-built three hole rigging plate allows creative configurations and enables direct connection to rope co...

The hot forged swing-cheek pulley with an in-built three hole rigging plate allows creative configurations and enables direct connection to rope co...

The largest of CMI's heavy duty series.  Stainless steel sideplates, 4" aluminum sheave, bushing, and stainless steel axle. MBS:               16,...

This block from CMI features stainless steel sideplates, an aluminum sheave & bushing, and a stainless steel axle.   MBS:   28,000 lbs. WLL:...

 Zinc plated steel arborist block for 3/4" rope. Block has aluminum sheave and bushing along with a stainless steel axle. Rated at 25,000 lbs. MBS...

CMI Model RP115 2" service pulley with red anodized aluminum side plates, 2" aluminum sheave, bushing, and steel axle. For 1/2"rope. MBS: 7,500 lbs...

CMI's newest mini arborist block is the RP162. Weighing in at only 1 pound, the RP162 delivers an impressive MBS of 21,900 lbs. It has a 1/2" rope ...

ISC 2-Ton Block for 5/8" rope and a 8 ' falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 5/8" rope and a 14' falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 5/8" rope and a 12' falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 5/8" rope and a 10' falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 20 foot falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 16 foot falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 14 foot falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 12 foot falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 10 foot falsecrotch lanyard. (Dead-eye sling)

ISC 2-Ton Block for 3/4" rope and a 8 foot falsecrotch lanyard. (Dead-eye sling)