Powerful, hand held, electric needle scaler quickly removes coatings, rust and slag. Can be used to remove paint, rust and weld slag from various surfaces, including steel and concrete. Requires 120 volts to produce 3000 blows per minute. One of the major benefits of the needle scaler is it’s ability to get into tight, hard to reach areas. Comes in a toolbox and is preloaded with 32, plus an extra 32 pack of 2mm x 7 inch long, hardened steel needles. Replacement needles: part number 805016 can be ordered separately.