5 Piece Hard Felt Bob Set: 1/8″ Shaft.
Hard Felt Bobs designed for use with diamond paste or oxide paste to polish stone.
Cautions: Maximum Speed Rating: 1200rpm. Always wear safety goggles. Always wear an appropriate mask so you do not breath in particulates and harmful vapors. Always wear hand and body protection. Failure to adhere to these cautions may result in serious injury or death.