MGI SpeedWare is proudly North American that means great parts and exceptional service every time. We love fast cars and can't wait to help build yours. Simply trim material to desired opening sizePackage includes matching red and black bootsUse on alternator studs and junction posts. Recommended for MGI SpeedWare junction blocks (B07HXYZ1WZ, B07HYJ8L1C) Used in many automotive, ATV / UTV, and marine projects Protect your battery connections from corrosion and shortening while giving your power terminations a professional, clean appearance. Simply trim material to desired opening size. High-quality PVC materialRated temperature: -40F to 221F (-40C to 105C) UL94 V-2 flame classification Stud covers designed for protection and style Features: