Chain pulley blocks price list and application Hand chain hoist and chain pulley block manual instruction Manual chain hoist also know as hand chain hoist Chain pulley blocks are steel casting mounted on two numbers of ball bearings, all gears are cut from special steels and cases. Chain pulley block are tested at 150% overload as specified and carries. Manual chain hoist carries guarantee of one year from the date of sale against any parts which proves defective in material or workmanship ex. Our works thane. Our company shan dong finer lifting tools co., ltd are engaged in manufacturing a wide range of chain pulley blocks, which is basically high performing material lifting equipment. Hand chain hoist are high strengthened chain, subtle joint in welding. It is treated with the intermediate frequency furnace induction quenching according to international standard chain specification. Seaworthy