US PRO Self Adjusting Oil Filter Pliers Fuel Filter Removal 2 1/4" - 4 3/4" 3474. These pliers adjust to the correct size to grip and turn oil filters from 2 1/4" to 4 3/4". They tighten as you turn the filter to maintain a good grip. Features include sharp teeth for a sure grip and a low profile design for tight engine spaces. The high leverage pivot multiplies grip force.