CURT Manufacturing 52028 Features: Mounts On Jack Post Or A-Frame Quick Easy One Bolt Installation No Need For Cutting Or Drilling Rust Proof Heavy Duty Polyethylene Plastic Case Protects Battery/Charger From Elements/Corrosion Meets Or Exceeds DOT Specifications Use On Single/Tandem/Tri-Axle Trailers Height: 6.00 Width: 6.00 Length: 9.00 Weight: 6.00 lbs Vehicle Type: CURT Manufacturing