All steel construction, bright zinc plated. Features oil-impregnated bronze bushing, lubricated for life. Sheave is easily removed allowing block to be rigged onto cable/rope at any point.

3” model is grooved for 1/4" rope and is rated for 650 lbs (4:1 safety factor).

3.5” model is grooved for 5/16" rope and is rated for 1250 lbs (4:1 safety factor).

Made in the USA.