Disc Pad, 3" Rigid Hook 'N Loop 1/4"-20 Female Thread Our finesse kit includes all you need for quick, simple spot repair on painted surfaces. . Ideal for use with our Finesse Sanding System. SPECIFICATIONS:. Backing Pad Dia. (mm): 3 in. (76) . Orbit Dia. (mm): 3/32 in. (4.76) . Tool Thread For Adapter: 1/4 in.-28 Female . Adapter Thread For Pad: 1/4 in.-20 Male . hp (W): 0.25 (186) . 3200: 3200 . Motor Characteristic: Planetary Geared . Exhaust Type: Rear . Max. Air Flow @ 90 PSIG: SCFM (CFM)(LPM): 16 (2) (453) 50125