A lifting hook is usually equipped with a safety latch to prevent the disengagement of the lifting wire rope sling, chain or rope to which the load is attached. A hook may have one or more built-in pulley sheaves as a block and tackle to multiply the liftingforce.
Gantry crane hook block:
1. Professional sale representative give quick quotation and reply to your question.
2. One year warranty.
3. Low charge for continue maintenance when warranty is expired.
4. Exclusive engineer support at any time.
5. We can provide free training to end-users.
https://www.hbcranehook.com/crane-hook-blocks/overhead-and-gantry-crane-hook-block/gantry-crane-hook-block.html