GPM Racing - General Hop-Up Parts - Screws - SF4OD10TK1 Stainless Steel 4mm Hole Countet Sink Head Screw Meson 15pc set
Device major function & use:
Pad beneath the screw see stop the screw twisting exceptionally and crushing the elements or accesssories.
Stainless metal is an impact-resistant, wear-resistant product which is tough to rust
1. Internal diameter : 4mm
2. Internal degree : 1mm
3. Outer diameter : 10mm