GPM Racing - General Hop-Up Parts - Screws - SC4OD10TK1 Stainless Steel 4mm Hole Cup Screw Meson 15pc set
Unit major function & use:
Pad in screw consider pun meant screw twisting many and crushing the weather or accesssories.
Stainless steel is an impact-resistant, wear-resistant item that is challenging to rust
1. Internal diameter : 4mm
2. Internal degree : 1mm
3. Outer diameter : 10mm