The 1UP Racing Lockdown Adjustable Bullet Plug Grips come as a set including both purple and black anodized aluminum grip collars along with 4mm gold-plated bullet connectors. The Lockdown system uses an adjustable collar design that clamps securely around the bullet plug, giving you a positive grip for inserting and removing connectors without putting stress on wires or solder joints. This is a popular upgrade for RC racers who frequently disconnect battery packs between runs. Features: Includes both purple and black anodized aluminum grip collars Includes 4mm gold-plated bullet connectors Adjustable collar clamps onto bullet plug for secure grip Reduces wire and solder joint stress during plug disconnect 7/7/26 cs