Working Load Limit : 8,800 lbs (4 Ton), Breaking Strength : 35,200 lbs (16 Ton) Wire Diameter : 1/2 inch, Sheave Diameter: 4.5 inch, Hook Opening : 1-1/4" Meets design requirements of ASME B30.26, Inspect prior to usage,never exceed working load limit, avoid shock load Heavy duty side plates with bronze bushed sheave allows for smooth movement of the load Adds the mechanical advantage of multiple parts of line when used properly 4T 4.5'' Snatch Block with Hook Double Sheave Snatch blocks are used to change the direction or gain a mechanical advantage over the load being moved. All our snatch blocks feature heavy duty side plates with bronze bushed sheave allows for smooth movement of the load and adds the mechanical advantage of multiple parts of line when used properly. Specifications : Working Load Limit : 8,000 lbs (4 Ton) Rope Size : up to 1/2 inch Sheave : 4 1/2 inch Hook Opening : 1-1/4'' Meets design requirements of ASME B30.26 Inspect prior to usage Never exceed working load limit Avoid shock load