GPM Racing - General Hop-Up Parts - Screws - SF4OD10TK1 Stainless Steel 4mm Hole Countet Sink Head Screw Meson 15pc set
Device major function & usage:
Pad under the screw see stop the screw twisting extremely and crushing the current weather or accesssories.
Stainless steel is an impact-resistant, wear-resistant product that will be tough to rust
1. Internal diameter : 4mm
2. Internal degree : 1mm
3. Outer diameter : 10mm