Klein's slack blocks deliver reliable load control for utility and rigging work with galvanized-steel construction and integrated snubbing hooks. Lightweight aluminum alloy sheaves paired with bronze bushings ensure smooth operation and durability. Features a forged Cat. No. 258 hook designed to fit under insulators and engage cross-arm pins—ideal for utility applications. Includes 25 feet of high-quality 3/8-inch rope with a 750-pound maximum safe working load. Made in USA. Note: These blocks are not occupational protective equipment and are not designed for human support.
- These are NOT occupational protective hooks. NOT for human support
- Light, galvanized-steel shell blocks are fitted with snubbing hooks to hold the load
- Sheaves are strong yet lightweight aluminum alloy with all-bronze bushings
- Forged hook Cat. No. 258
- Made in USA
- All Klein block and tackle use high-quality, 3/8-Inch (10 mm) diameter rope
- 25-Foot (7.62 m) rope length
- Hooks fit under insulator and engage pin on cross arm
- Catalog numbers followed by S/R have rope spliced to block
- Maximum safe load is 750-pound (340 kg)