Super hard Absolute steel pinion 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.
| Part Type | Gears |
| Gear Pitch | 48-Pitch |
| Gear Type | Pinion |
| Tooth Count | 18 Tooth |
| Material | Steel |
