Extra-thick back plate minimizes vibration
Steam oxide finish - no paint to gum up and slow cutting
Extra-tough M42 alloy - the highest grade of tool steel
Cutting Diam : 3 in, 3 5/8 in, 4 1/8 in, 4 1/2 in, 3 in [Min], 4 1/2 in [Max]
Bit/Blade Mounting Size : 1/2 in
Bit/Blade Mounting Type : Chuck
Applicable Materials : Aluminum, Fiberglass, Steel, Tin, Wood & Plastic...