Rchobbytop 20 Pairs M4 Lock Nuts Serrated Flange Nylon Insert and M4 Flat Washers Cross Socket Wrench for 1/10 Traxxas Axial HPI Redcat HSP Model RC Vehicles Wheel, Silver

Package Contents: Locking Nuts and Washers；20pcs M4 (4mm) Serrated Flange Locking Nuts；20pcs M4×12mm Flat Washers, Quality Materials：Made of Carbon Steel with Zinc Plating for Hardness and Corrosion-resistance；Equipped with Anti-loose Nylon Self-tightening Insert, Shock Absorption and Heat Dissipation：Flange with Serrated Surface to Reduce Bearing and Vibration Pressure and Facilitate Heat Dissipation, Function of Washers：Enlarge the Contact Surface to Protect the Wheel Hub from Damage by Large Side Impact Forces (Optional Installation Based on Need), Widely Used：Suitable for Most Brands of 1/10 Scale RC Cars including Traxxas, Axial, Arrma, HPI, TLR, ECX, Redcat, HSP, HoBao, etc. (Please Verify the Size of the Wheel Hub or Consult Your Specific Model Manual for Compatibility Prior to Purchase)