Self-generated vacuum only.

Body is made from durable high strength material.

Lower body with low center designed for operating steady with working face.

Dustproof bearing to effectively lengthen bearing life.

Free speed: 12000 rpm

Air pressure: 90psi

Orbit dia.: 5mm

Air inlet: 1/4"

Pad dia.: 5" (6hold); Weight: 0.91kgs

Vacuum adapter size: 1", 1-1/8", 1-1/4"