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The Buckingham OX BLOCK™ is a rope snatch block. It has a built-in friction bar used for hurt man rescue and lowering, snubbing, and raising. When lowering, tension is transferred from the worker to the snatch block. It replaces standard handline, parted, and various snatch blocks.
It also has greater working load limit than blocks of similar si...
Colorado Mountain Industries makes their Cable Able Series for hostile environments and maximum service life. They have expanded their original line to facilitate the needs of steel cable users. It has blue anodized aluminum side plates, a 2 3/8" aluminum sheave, a needle bearing, and a stainless steel axle.
The sheave is steel, which CMI trea...
The CMI RP151 Tri-Tie Pulley is great for arborists that need three independent tie-ins. It has one orange and one black side plate, both made of anodized aluminum. The pulley has a 1 1/4" aluminum sheave, a bronze bushing, and an aluminum axle.
Minimum Breaking Strength is 7000 lbs.
Designed to work with 1/2" rope.
The Pinto Pulley is designed to be textile friendly. With hot forged curves and fairlead flares, ropes can run along the pulley without cutting in. This will save you money on costly replacement and repairs, by minimizing damage to your equipment. Aside from preventing damage, the Pinto is also versatile. Users can clip, hitch, splice or thread ...
The ISC Compact Rigging Pulley is half the size of the Small Rigging Pulley. It is proof that a product can be small and strong. The pulley is rated at 85kN (19000 lbs) and has a load limit of 17kN (3800lbs). This means the pulley has a tremendous strength-to-weight ration. It is made from hot-forged aluminum and is designed to work with 13mm (1...
ISC's recently updated RP055 is a 3/4” capacity spring block. Its compact design makes it perfect for the working arborist. As with many of ISC's products, the RP055 features a unique upper sheave.
The user can easily manipulate this sheave, which eliminates the chance of dropping it. The side plates are made of thick aluminum and have a blue po...
The RP057 is a rigging block created for the working arborist. A user can easily manipulate its unique upper sheave, which eliminates the chance of dropping a sheave. The block’s side plates are made of a thick, power coated aluminum. They are also rounded to be rope friendly. These two features minimize damage to both the rope and the block, ex...
The ISC RP051 is a cast aluminum block made from an aluminum alloy. This material makes it incredibly light but strong. Its aluminum alloy bushings and sheaves are supported by stainless steel axles. The block has spring-lock captive bushings, which are easily accessed by a quick-twist knob. The sheave is supported by a sintered bronze bushing. ...
Petzl designed this pulley for Tyrolean rope traverses. It is also useful for speed line operations in tree care. Users can attach up to three carabiners simultaneously. Petzl designed it to work with ropes up to 1/2" (13mm) diameter. It has a maximum working load of 10kN (2248 lbs of force).
When lifting especially heavy loads, a user can multiply a winch's power using pulleys. This double-pulley has the same aluminum and stainless steel construction as the side snatch block but has two 100 mm (4'') deep groove sheaves. A user, by using two double pulleys, can exert a whopping four tons of force on a load!
Portable Winch's PCW74 swing-side block features a 100mm (4") aluminum sheave and steel side plates. The block is lightweight, and its side plates swing open for rope installation. It boasts a 98% efficiency, thanks to its sintered bronze bushings on its steel shaft. The block is mainly useful for line doubling because it prevents the rope from ...