Details:

◇Application: Vertical lifting of steel plate. 
◇Loading range:0 to8ton. 
◇One piece of clamp is used for the testing, and one piece or two pieces are recommended for lifting operation.
◇Multi plates can not be lifted. only lift one piece of clamp one time. Up the lock lever to tighten lock spring when it under loading. Down the lock lever to loose lock spring, When you could unload.
◇The loaded object shall not touch anything when operating, over loading is prohibited 
◇Testing load is 2 times of working load.
◇With lock spring during the clamp non-work condition, locking device going in nature step-up, put the object in the clamp, the strength becomes the proportion enhancement. 
◇The handle is facility, the way of hoisting is broader.