Robinson Racing 1419 48P Absolute Pinion, 19T

Super hard Absolute steel pinions gears are a must for running with steel spur gears or will last and last if run with a plastic spur gear. Tooth number stamped on each pinion. 1/8 inch bore. One 5-40 set screw included. 1/16 inch allen wrench (not included) fits the 5/40 set screw.