For sale is a NEW, ASTRO 3006 4 ANGLE GRINDER YOUR BID IS FOR ONE, THERE ARE TWO AVAILABLE. Astro 3006 Specifications: Pad Size: 4" Free Speed: 11,000rpm Overall Length: 9" (229mm) Net Weight: 4lbs. (1.81kg) Spindle Thread Size: 3/8-24 Air Inlet Thread NPT: 1/4" Air Hose I.D. Size: 3/8" (10mm) Avg. Air Consumpt.: 10cfm Air Pressure: 90-120psi