Product Description
Skookum A-Series Half-Sided Blocks – 4" to 12" Sheaves
The Skookum A-Series Half-Sided Blocks are built for strength, durability, and ease of handling. Each block features a work-hardening manganese steel sheave, a half-sided cast alloy steel body to reduce weight, and smooth-running ball bearings. These blocks are widely used in forestry, construction, and industrial rigging. Roller bearing (RB) versions and alternate top fittings (swivel hook or swivel shackle) are also available.
Key Features:
- Manganese steel sheaves extend rope and sheave life
- Half-sided design reduces overall block weight
- Available with ball bearings (BB) or roller bearings (RB)
- Optional top fittings include swivel hooks and shackles
- Recessed sheave helps prevent rope pinching or binding
- Meets ASTM B30.26 requirements
Available Models (Regular Yoke, BB Series):
- A-4 (#564000): 4" sheave | 1/4"–3/8" wire rope | 5 ton WLL | 9.25 lbs
- A-6 (#564100): 6" sheave | 3/8"–1/2" wire rope | 7 ton WLL | 17 lbs
- A-8 (#564200): 8" sheave | 1/2"–5/8" wire rope | 8 ton WLL | 23.5 lbs
- A-10 (#564300): 10" sheave | 5/8"–3/4" wire rope | 8 ton WLL | 34 lbs
- A-12 (#658300): 12" sheave | 3/4"–7/8" wire rope | 13.5 ton WLL | 53.4 lbs
Specifications
Safety Notice
Although Bishop Lifting strives to manufacture and sell the highest quality rigging and safety gear, use of the gear is dangerous if not used correctly by competent trained professionals. Bishop Lifting disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.
Bishop Lifting rigging and safety gear is only intended to be used by competent trained professionals. Misuse of the rigging and safety gear can result in serious injury up to and including loss of life. As such, Bishop Lifting disclaims liability for any misuse or incorrect product selection by our customers.
Rigging and safety gear purchased from Bishop Lifting should be used in strict accordance with all industry and OSHA standards. At no time should rigging or safety gear be used beyond its certified load ratings (aka Working Load Limits). Normal wear and tear should be expected with use of rigging and safety gear; therefore, all gear should be thoroughly inspected before each and every use. Worn or unsafe rigging and safety gear should never be used.