1.Use: to the firm straight plate lifting
2.2. Loading range: 0 to 8ton.
3.It is manufactured by low-carbon hi-quality alloy steel
4.To test one of the rated load and lifting operations alone, or supporting the use of two.
5.Only hang a steel plate at the same time, the locking handle must be up to make the spring tense. When the load is cancelled, the locking handle must be down. After he spring is loosened, the clamp and the steel plate can be separated.
6.Test load is the max, operation load of 2 times.
7. Don’t overload to use.