The Astro 332 Air Denibbing Sander uses a small 1.25” (30mm) pad size for isolated spot focus sanding and dennibbing of clear coats instead of redoing entire areas. Comfortably reach tighter and more compact areas and counters with this unit's ultra compact right angle design. The adjustable speed allows you to speed up to 8,000RPM with a full head height of 3” with a pad. Specifications: Motor HP: 1/3, Air Exhaust: Rear, Sound Level (dB): 89, Air Inlet: 1/4", Air Hose: 3/8", Air Pressure: 90PSI, Max Speed: 8,000RPM, Air Consumption: 2.7CFM, Pad Size: 1.25" (30mm), Overall Length: 6.3" (160mm)