Chicago Pneumatic is pleased to introduce the new CP7120 needle scaler. With 4,600 blows per minute, adjustable sleeve for job specific requirements, and high wear resistant steel needles, this is a dependable tool for all your surface preparation needs. This tool can easily convert from a needle scaler to a chisel scaler.Great features, durability, flexibility, and power to clean. Needle scaler for all your surface preparation needs:• Speed: 4,600 blows per minute for highly efficient work• Adjustability: Sleeve adjusts for needle protrusion in tune with application needs• Wear resistant Needles: 19 needles made of 1/8” high wear resistant steel