This is an optional Ultimate Racing 4mm Stainless Steel Screw Kit. Ultimate Racing Screw Kits are made with the best stainless steel you can find on the market. 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. Every user will find this assortment a life saver the next time they are far away from the nearest hobby shop and they loose that screw or whatever in the dirt.

Include:
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- 4x6mm Flat Head Screws (20pcs)
- 4x10mm Flat Head Screws (20pcs)
- 4x12mm Flat Head Screws (20pcs)
- 4x16mm Flat Head Screws (20pcs)
- 4x8mm Button Head Screws (20pcs)
- 4x12mm Button Head Screws (20pcs)
- 4x10mm Cap Head Screws (50pcs)
- 4x4mm Cup Point Set Screws (50pcs)
o 4x5mm Cup Point Set Screws (50pcs)
o 4mm Nut (20pcs)
o Quality Reusable plastic pit case


General Screw Installation & Notes: Use either a wax or grease on the threads to help prevent stripping while going into new or hard material.