Hawk Creation Extreme Battery Rings For 4000mAh Lipo (8pcs)-Goblin 700
Lock your Lipo tight!
Made with high quality Nitrile Butadiene Rubber, It can be long-term used under 120 ° C in air or oil in 150 ° C.
4mm Φ Extreme Strength Fit for 4000mAh Lipo
Nitrile Butadiene Rubber O Ring (4mm Φ * 75mm Dia in natrual position)