This Robinson Racing Products pinion gear is machined from aluminum and features a hard coat anodized finish for increased surface hardness and wear resistance. It is a 48 pitch, 28-tooth pinion suited for a wide range of 1/10 and compatible electric RC platforms. The hard coating helps the aluminum gear stand up to the demands of repeated mesh contact with spur gears in this pitch class. Features: 48 pitch aluminum pinion gear 28-tooth count Hard coat anodized for added surface hardness Fits a wide range of popular 1/10-scale electric RC platforms 7/7/26 cs