Makita JS3201 10 Gauge Shear has a powerful 6.2 AMP Motor Delivers 1,600 SPM to Complete the most demanding applications. It has a built in thickness gauge for convenience. It has a lock on switch for continuous operation. Also, it comes with large easily replaceable blades with 8 cutting edges each. It is used for metal cutting up to 10 gauge mild steel and 12 gauge stainless steel. It cuts with no material loss in the kerf as with nibblers.