Dual use pliers spread battery post clamps and tapered, ribbed tips remove corrosion and build-up from inside the clamp. Tips are made from strong heat-treated steel.
For most popular clamp sizes. Tapered tips provide range and squeezing the handles expands the tips to cover many clamp sizes.
Place tips of tool inside the battery terminal clamp after moving clear of battery terminals. Squeeze handles to spread the clamp after loosening bolt and/or nut. Rotate tool inside clamp to allow the ribs to clean the inner surface of the clamp.