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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...
These are the original CMI rescue pulleys. They set the standard for lightweight, compact, and functional pulleys 50 years ago. They feature stainless steel side plates, 2- 3/8" diameter steel sheave, bearing, and a stainless steel axle.
CMI’s Cable-Able series in an extension of their popular Classic design. CMI created it to add compatibility with steel cable, while retaining the same dependability they have come to be known for. The RC105 has a hardened steel sheave, which is treated with an exclusive anti-corrosion formula. This creates a durable product that will see years ...
The CMI RP104 is a lightweight and functional rescue pulley. It has stainless steel axels, which are built around two 3/8" aluminum sheaves. The pulley uses sealed needle bearing. It accepts up to 5/8" diameter ropes, and features a wide side plate for maximum rope protection. If you are looking for a pulley for rescue, you can't go wrong with t...
CMI’s RP105 is a pulley with a 16,000 pound breaking strength. It has a 5/8" rope capability, and the large rigging point accepts the largest carabiners--two of them. The extra wide, skirted side plates ensure that rope damage is kept to a minimum. The RP105 is a pulley with tremendous strength and durability, perfect for the professional arbori...
This is a double sheave version of the CMI RP105. It has stainless steel side plates and two 3” aluminum sheaves. The axle is also stainless steel. As you can see, the RP105D is built for strength. Although the addition of another sheave makes the pulley larger, it also gives it an additional 4000lbs over the standard RP105. If you're a rescuer ...
CMI designs these pulleys for rescuers on a budget. They may lack some of the "bells and whistles" of their Hi-Roller series, but they provide the same rugged and dependable service CMI has built its reputation on. Stainless steel side plates, 2" steel sheave, bushing, and stainless steel axle.
The RP124 is a reliable double-sheaved pulley from CMI. It has stainless steel side plates, two 4" aluminum sheaves, bushing, and stainless steel axle.
CMI designed their RP130 for use in a false crotch system to reduce wear on bull ropes. Its upper bushing maximises the strength of the sling, while its side plates prevent damage to the rope. The RP130’s upper bushing will allow slings up to 3/4” in diameter. The lower sheave will accept bull ropes up to 5/8”.
The pulley’s knurled knobs allow ...
CMI designed their RP131 for use in a false crotch system to reduce wear on bull ropes. Its upper bushing maximises the strength of the sling, while its side plates prevent damage to the rope. The RP131’s upper bushing will allow slings up to 3/4” in diameter. The lower sheave will accept bull ropes up to 3/4".
The pulley’s knurled knobs allow f...
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 ...
Even though the Small Impact Block may have "small" in its name, it is still large when it comes to strength. It has an MBS of 200KN and a WLL of 40KN, making it perfect for any professional who needs to conserve space. Arborists use impact blocks to absorb impacts caused by heavy work. The block offers both security and strength, especially whe...
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 ...