1UP Racing 4-5mm LowPro Bullet Plugs with Bullet Grips. These are perfectly paired to add to any charge lead where you need 4mm or 5mm bullets. Included with these are the LowPro Bullet Plug Grips. These are a great way to quickly identify your positive and negative leads. Installation of the Bullet Plug Grips is super easy. After soldering, slide the grip over the LowPro bullet and use a couple drops of CA glue to keep it in place. Includes: (2) 4-5mm stepped bullets (2) LowPro bullet plug grips