This is the RC Screwz Traxxas Maxx with WideMaxx (#89086-4) Stainless Steel Screw Kit.
RCScrewZ Stainless Screw Kits are the best way to beef up the hardware throughout your RC vehicle in one convenient package. Your new kit will include everything needed to do a full conversion and more. Stainless Steel Screw Kits are far superior to the screws that come stock with your RC. These kits are made with the best stainless steel money can buy. No more bent, rusted, or corroded screws. Never worry about stripped heads again. You will not find a better screw kit for your RC at any price!
Kits include:
General Screw Installation & Notes: Use either a wax or grease on the threads to help prevent stripping while going into new or hard material. Wood type/coarse thread screws are not included and are replace with the correct diameter/length machine screws.