Hot Racing optional super heavy duty solid billet steel front or rear differential (diff) locker (spool) for the 1/10th scale Axial SCX II with AR44FEATURES: - CNC machined solid billet steel- Compatible with the front or rear differentials- Replaces stock Casting locker diff case for extreme durability- Black oxide finished for corrosion protectionYOU WILL RECEIVE: - One (1) locker spool (gear not included)- Four (4) M2x6mm ring gear mounting screwsREQUIREMENTS: - Recommended to use a removable-type locking adhesive on screws threading into metal- Do not over tighten hardwareCOMMENTS: