DRIVER PIN - Uni-Loc
.625 Diameter shank that offer the most common thread sizes for most brands of pool cues. These arbors mimic the male and female portions of the joint to prevent marring of the cue during servicing. The Drivers are made of 6061 Aluminum and have both Male and Female ends on each driver.  They are very concentric to give you the highest accuracy possible.

Driver Pins (Maintenance arbors) are available in the following joints:
3/8-10, 5/16-14, 5/16-18, 3/8-11, Radial, Uni-Loc, Accu-Loc, 3/8-11.5, 3/8-14, Schmelke, Viking Quick Release and McDermott Quick Release.

You receive 1 Driver and it contains Male / Female ends.