6inch/9inch/11inch/14inch/18inch High end locking pliers
1. Loosen screw at the end of pliers to maximum position
2. Open head by separating two handles, after work-piece is clamped, close the two handles.
3. Hold the closed two handles by left hand, rotating the screw tightly at the end of handle till screw can’t move anymore.
4. If clamping force on the work-piece is not suitable, pls take the pliers off from work-piece, loosen the screw a little or tighten the screw a little and try the clamping force till it is proper for using.