Chain block, lever block, ratchet tie down Chain block, Lever block, Trolley and Electric hoist:Used ... ISO, DIN, JIS, and ASTM standards;meets grade 80Ratchet tie down, tow rope and bungee cord: Straps made of Nylon, nature rubber or ... , KS-25, and JS-32 Chain Block, Lever Block, Ratchet Tie Down