Hardened Steel Pinion Gear Mod1 (8mm Bore) Size:27T Large and small wheels included

Large and small wheels included to refine tuning

Best mechanical gears wooden puzzle gift ever for craters and mechanical lovers

and unmatched torque—all in a waterproof case

These treaded rubber tires come pre-mounted on stylish white plastic rims

* Since the holding power of the 4th and 5th settings is very strong

Hardened Steel Pinion Gear Mod1 (8mm Bore) Size:27T Large and small wheels includedHardened Steel Mod1 8mm Pinion Gear with 2 Grub Screws Includes: 1 Pinion 2 Grub Screws Features: 8mm Bore M5 Grub Screws Strong and durable Hardened Steel for long lasting performance Two set screw holes for extra secure fitting Tested at 170+mph