1. material: steel, iron 2. surface: galvanized, painted, self color ChainChain block, Lever block, Trolley and Electric hoist:Used in workshop or industry for lifting or movingTesting load capacity: 0.5-25MTBlock chains are manufactured according to the ISO, DIN, JIS, and ASTM standards;meets grade 80Ratchet tie down, tow rope and bungee cord: Straps made of Nylon, nature rubber or polyester to ...