The Astro 930 Air Body Saber Saw with 5pc 24 Teeth per Inch Saw Blades is ideal for body shop repair muffler and exhaust work. This tool easily allows you to cut intricate shapes and tight radius curves on flat and curved surfaces. The adjustable blade guide in this unit increases blade life and cuts all types of aluminum plastic fiberglass and sheet metal. Specifications: Cutting Capacity: 1.6mm steel thickness, Strokes per Minute: 9000BPM, Overall Length: 9-1/4” (235mm), Net Weight: 1.76lbs (0.8kg), Piston Stroke: 1/4”, Air Inlet Thread NPT: 1/4”, Air Hose I.D. Size: 3/8” (10mm), Average Air Consumption: 4cfm, Air Pressure: 90-120PSI