Removes heavy corrosion for improved electrical contact on battery terminals. Unique design makes spreading the battery terminal clamp easy, for quick installation. Ergonomic handle with a comfortable non-slip grip. Fits most battery clamps with Min./Max. 15-20mm clamp opening. Features & Benefits:Removes heavy corrosion for improved electrical contact on battery terminals.Unique design makes spreading the battery terminal clamp easy, for quick installation.Ergonomic handle with a comfortable non-slip grip.Fits most battery clamps with Min./Max. 15-20mm clamp opening.Model No. AK423 Specifications: Model No AK423 Brand: Sealey Nett Weight: 0.26kg