XtremepowerUS All in 1 Multi purpose Power Drill Bit Scissor Knife Plane Chisel Sharpener High Speed Drill Sharpener;Input Power: 70 Watt @ 110 Volt Knife & Scissor Sharpener; Chisel & Plane Sharpener; Drill bit Sharpener Sharpens Straight Edge Chisel and Plane Blades from 1/4" ~ 2" Wide Max Speed - 4800 RPM (No Load);Max. Wheel Diameter: 2" Drill: 7/64" - 3/8" (3mm-10mm); Straight Edge Chisel and Plane; Blades: 1/4" - 2" Wide (6mm-51mm)