Straight Clamp Terminal Protector, Gauge 6 to 4 AWG, Color Red, Connection Type Snap-On, Insulation Material PVC, Standards RoHs, SAE J1128, USCG Requirements, Features Color Coded for Easy Polarity Identification, High Temperature PVC Construction Rated At 190 Degrees F (88 Degrees C), Protects Alternator and Electrical System From Shorts, Reduces The Risk of Battery Explosion Caused By Sparks, Overall Depth 1 in, Overall Length 2 7/8 in, Overall Width 1 7/8 in, Package Quantity 5