Editorial Review OverviewExtra-hard 32 pitch pinions are a must for use with our steel spur gears and will last and last with plastic spur gears. Pinion is stamped with tooth number. 1/8 inch bore. One 5-40 set screw included. 1/16 inch allen wrench (not included) fits the 5/40 set screw.
Specification Binding : Toy Brand : Robinson Racing EAN : 0719696017215 Label : Robinson Racing Manufacturer : Robinson Racing ManufacturerMaximumAge : 50.00 years PackageDimensions_Weight : 0.04 pounds PackageDimensions : L:2.50 X W:2.50 X H:0.38 ProductGroup : Toy ProductTypeName : TOYS_AND_GAMES Publisher : Robinson Racing SKU : RRP1721 Studio : Robinson Racing Title : Robinson Racing 1721 Hardened 32P Absolute Pinion 21T