The 1UP Racing Lockdown Adjustable Bullet Plug Grips come as a set in both blue and black colorways and include 4mm bullet connectors. The grips feature an adjustable clamping collar that secures around the wire insulation, helping prevent strain on the solder joint between the bullet plug and battery lead. This system is designed to make connecting and disconnecting battery plugs easier and more secure during competition use. The 4mm bullets are suitable for a wide range of 1:10 scale electric RC platforms. Features: Includes 4mm bullet plugs Adjustable grip collar reduces solder joint strain Blue and black color options included Compatible with 1:10 scale electric RC platforms 7/7/26 cs