Unique 3 jaw universal chuck grips rivet stem more securely than conventional riveters, and releases the stem more reliably.
All steel body with a thicker plate and hardened jaws for durability
4 nose pieces ( 2.4mm- 3/32", 3.2mm-1/8",4.0mm-5/12", 4.8mm-3/16") to suit most common rivet sizes
Non slip grip for comfortable usage, minimizing user fatigue.