Scope: MIP Hex Adapter used for standard 1/8th Scale Wheels on the Traxxas Slash 4x4. 17mm Hex Features: Tapered 17mm Hex Surface to ensure long wheel life and wear! Anodized to protect against dirt, Debris, & Chemicals. Manufactured of aircraft grade 7075-T6 aluminum, and anodized for protection against oxidation. 1-Step Hex Adapter Kit with taper locking hex surfaces! Kit comes with Steel Bearing Journal Spacers to ensure long bearing life! 100% Quality made in the USA.