Features:

The battery washers can prevent corrosion around the battery terminals, prolong battery life, for use with12-volt.

battery anti-corrosion washers include 1 red and 1 green battery

Size: inner ring can be removed to fit larger terminals, outer ring diameter is about 44 mm/ 1.73 inch; Inner ring diameter is about 20 mm/ 0.79 inch; Diameter of inner ring after dismantling: about. 30 mm/ 1.18 inch.

Note:

The color coded for positive and negative terminals, red for +, green for -

Apply to: these battery corrosion washers can use for both top post batteries or cables and side post batteries or cables