4180 Snatch Block w/ Hook (1/2" wire x 4.5" sheave) Flat Head Black Concrete Screws Square drive provides positive bit

Square drive provides positive bit engagement and reduces cam-out

the split-type expansion mechanism on the working end compresses and exerts force against the walls of the hole

The X-shaped slots allow both horizontal and vertical attachment

reinforced ends

4180 Snatch Block w/ Hook (1/2" wire x 4.5" sheave) Flat Head Black Concrete Screws Square drive provides positive bit4180 Snatch Block with Hook 4. 5" Sheave for 1 2" Wire Rope Designed for reliable load handling, the 4180 Snatch Block features a 4 1 2" sheave and accepts 1 2" wire rope. It offers an 8,000 lb working load limit and a 40,000 lb break strength, backed by a 5: 1 safety factor. A bronze bushing provides smooth sheave rotation and long term durability, even under frequent use in the field. This snatch block includes a hook end fitting with a 1. 38" mouth