Type: Jumper Caps, Fit for 2.54mm Pitch Pin Header Jumper Cap used for controlling the settings of your internal devices and motherboards. Short Circuit Connection Cap widely use on Hard Drives, Circuit Board and Computer Interface cards 30pcs 2.54mm Pin Header Jumper Cap Lengthened Short Circuit Connection Cap Mini Micro Jumper Bridge Plug Green Noted--Please pay attention to confirm the type you want to buy before buying