The 1UP Racing Lockdown Adjustable Bullet Plug Grips come with 4mm bullet connectors in a two-tone gold and black finish. The adjustable grip collar design is intended to secure bullet plugs and reduce the risk of accidental disconnection during hard driving. The set includes both gold and black grip collars along with the 4mm bullet connectors. These are a popular choice for racers looking to add a more secure and polished connection between battery and ESC. Features: Includes 4mm bullet connectors Adjustable locking collar design for secure fit Gold and black two-tone finish Compatible with standard 4mm bullet plug setups 7/7/26 cs