Cordless operation Stainless Steel Taper blade – Zero-gap adjustable High-speed DC motor – 6,800 RPM Lithium-ion battery (Up to 2 hours runtime) 5-Detent taper arm NEW Ergonomic design Durable, nonslip metal grip Finger and thumb rests Metal grip 6 Standard comb guards: 1/16”, 1/8”, 3/16”, 1/4”, 3/8”, 1/2”