Mortise Machine Hollow Chisel Mortise With Chisel Bit Set for Woodworking All Copper Motor Humanized Design Security Switch Wooden Backing Additional Chisel Set Wide Application Speed: 3400 RPM,Chisel Capacity: 0.23 - 0.47 in / 6 - 12 mm,Item Dimensions(L x W x H): 13.4 x 13 x 25.5 in/34 x 33 x 65 cm,Motor: 1/2 HP All-Copper Motor,Bushing Size: 0.75 in / 19.05 mm,Chuck Capacity: 0.51 in / 13 mm,Item Model Number: MS36127A3,Material: Cast Iron and Steel,Net Weight: 60.2 lbs / 27.3 kg