M7 grinding gun, usually 4" with pressure switch - 11000 rpm Product code: QB-104
M7 grinding gun, usually 4" with pressure switch - 11000 rpm Product code: QB-114
M7 grinding gun, usually 5" with pressure switch - 11,000 rpm Product code: QB-115
Normal grinding gun 7 inch M7 with pressure switch - 7000 rpm Product code: QB-117