Blows Per Minute:4400Piston:1" x 2" (25mm x 50.5mm)Overall Length:13" (330mm)Number of Needles:19 pcsNeedle Diameter:1/8" x 7" (3mm x 180mm)Air Inlet:1/4"Air Pressure:90 PSIAir Consumption:10 cfmSound Pressure Level:90.3 dBASound Power Level:101.7 dBAVibration Level:14.5 m/s²Length:8-1/4" (210mm)Hose Size:3/8" (8mm) SKU: AST.4350 Brand: ASTRO Country of Manufacture: Taiwan Supplier Part Number: ASTRO4350 Unit of Measure: PCS