This shape is Ideally suited to enlarging an existing metal cigarette lighter socket (7/8") opening to accept the types of socket shown.
Use for socket outlets, USB chargers, voltmeters, switches, lighter and alarms.
This is a listing for one 1-1/8" bore / ream with a Ľ" shaft (Socket product shown is not included in this listing). An easy and safes way to create or enlarge a socket mounting hole in metal or plastic panel or dashboard. If you want to upgrade car metal cigarette lighter socket to a new accessory socket or USB charger the existing hole needs to be enlarged. Automotive cigarette lighter outlets fit in ľ" holes, the new outlets require a 1-1/8" hole. This bore will allow you to quickly and safely enlarge the opening to 1-1/8".