With the reliable strength of the 4-1/2" B/A Snatch Block with Chain from B/A Products Co., you will be able to gain a mechanical advantage over the vehicle that is being moved. This high-quality snatch block is an effectively simple pulley that can be used to change the direction of the vehicle. It is able to handle a working load limit of 4 tons and features bronze bushings with grease fittings. The side plates open easily without coming apart so that you can slide the 3/8" - 1/2" sized rope right inside. The solid 30" length of Grade 70 chain with hook is designed to provide you with equal parts of strength, durability, and flexibility.