Features: 1.Fitment: Battery terminal connector fits for cars, RVs, boats, yachts, racing cars, agricultural vehicles and other power systems, etc. 2.Dust Cap: Insulated dust cap is color coded to ensure safety and prevent crossed cables, and prevent some accidental contact when not in use. 3.Premium Material: Battery charger post is made of premium rubber, zinc alloy and brass material, rustproof, high strength, sturdy and durable. 4.Excellent Performance: Professional manufacturing, exquisite workmanship, not easy to deform, stable performance and high reliability. 5.Simple Installation: Simply mount the posts through a 1?1/4in hole, black connects to the negative, red connects to the positive, convenient and practical. Specification: Item Type: Battery Charger Post Material: Rubber, zinc alloy, brass Contact Terminal: 3/8in (M10) stud terminal Rated Current: 250A Function: Install charger post through main body panel, convenient and quick use the battery terminal Fitment: Fit for cars, RVs, boats, yachts, racing cars, agricultural vehicles and other power systems