Air Dual-Action Sander, 6 in PSA, 3/16 in Orbit Dia., Non-Vacuum, 0.25 hp HP/ OVERALL LENGTH: 10.000 INCHES NOMINAL THREAD SIZE: 5/16-24 HOSE INSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES MINIMUM SCREW THREAD SERIES DESIGNATOR: UNC DRIVE AXIS TO WORK SURFACE RELATIONSHIP: VERTICAL AIR INLET THREAD SIZE: 1/4 SANDING PAD MAXIMUM DIAMETER ACCOMMODATED: 6.000 INCHES SPINDLE TYPE: MALE NO LOAD SPEED IN RPM: 12000.0 NOMINAL FEATURES PROVIDED: LEVER THROTTLE AIR EXHAUST LOCATION: SIDE SPECIAL FEATURES: DUAL ACTION; FOAM BACKED PAD; USES PSA (PRESSURE SENSTIVE ADHESIVE) DISCS