This Replacement Plug Cap protects the contacts on your jump-start pack by keeping them clean from outside elements. Includes lanyard for easy attachment. Works with the plug assembly for SM7A and SM7B. Protects Contacts: Keeps contacts clean when not in use Easy Attachment: Includes lanyard for secure attachment Old Part Number: SM50 Length: 2.125″ Width: 1″ Height: 1.25″
