Features: Crimpers for fastening metal studs. Stud crimpers allow metal studs to be fastened together without screws or rivets. Squeeze the handles with one hand while holding the stud in place. The punch and die shape creates a rectangular crimp, bending over channel and stud thicknesses at the same time to form a strong bond. Spring spring with non-slip grip. Features: Material: Chrome vanadium alloy steel and TPR. Color: Green and Yellow Total length: 250 mm Role: Punch Shape: Flat mouth Package Content: 1 x Crimping Pliers. Note: 1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.