Powerful 4,500 BPM, Performance: Needle scaler air tool removes stubborn rust, paint, and weld slag; 1-5/8" piston stroke ensures maximum impact force for efficient work Complete Air Chisel Kit: Includes 19 hardened 3mm needles and 29 fine 2mm needles; needle gun scaler and air chisel hammer provide versatility for metalwork tasks Lightweight Aluminum Design: At 4.34 lbs, this pneumatic needle scaler reduces fatigue during extended use; durable construction withstands demanding workshop conditions Adjustable Speed Control: User-controlled power matches task requirements. This needler air tool with front exhaust directs airflow away for enhanced operator comfort Mechanic Air Tool Specs: Requires 6.3 SCFM air compressor for optimal performance. Needle gun air tools for mechanics and metalworking applications and fabrication Achieve precision that elevates your metalwork projects. This pneumatic hammer and air needle scaler deliver 4,800 BPM of reliable power, making rust and paint removal effortless. The comprehensive air hammer kit includes hardened needles and pneumatic chisel hammer attachments, giving you industrial-grade air powered tools for any surface prep challenge. Lightweight aluminum construction reduces fatigue while adjustable speed control ensures optimal results every time.