Chain block, Lever block, Trolley and Electric hoist:Used in workshop or industry for lifting or movingTesting load capacity: 0. ChainChain block, Lever ... , Trolley and Electric hoist:Used in workshop or industry for lifting or movingTesting load capacity: 0.5-25MTBlock chains are manufactured ... no. WS-25, HS-25, KS-25, and JS-32 Chain