Yeah Racing 2S LiPo Battery Wire w/T-Style Connector & 4/5mm Bullets Ace Hobby Shop The small pin tread makes

The small pin tread makes for an overall low weight in combination with an exceptional wear rate

2 x Steel Diff Outdrives per pack

and may not function properly with this servo

in case the size is loose

Yeah Racing 2S LiPo Battery Wire w/T-Style Connector & 4/5mm Bullets Ace Hobby Shop The small pin tread makesYeah Racing 2S LiPo Battery Wire with T Style Connector and 4 5mm Bullets. This battery lead is designed to work with 2S batteries equipped with a 4mm or 5mm bullet connector. Package includes one battery lead, two 5mm bullets and two 4mm bullets. Features: Includes connector for 4mm and 5mm bullet style batteries Perfect for balance charging 2S batteries