About This

【Material】Made of thick felt material for prevent corrosion around the battery terminals, prolong battery life.
【Applicable】Battery terminal protector fit for 6 and 12-volt battery. (Easy to distinguish: The color coded for positive and negative terminals, red for +, green for -. )
【Fit】The battery corrosion washers fit for both top post batteries or cables and side post batteries or cables.
【Size】The inner ring can be removed to fit larger terminals. OD: 44 mm(1.73 inch); ID: 20mm(0.79 inch); ID(after removed the inner ring): 30 mm(1.18 inch)
【Package】Including: 12 × Red battery anti-corrosion washers and 12 × Green battery anti-corrosion washers.