Channellock Oil Filter Plier. This 12 in. oil filter pliers has a capacity of 2 3/4 to 4 1/2 in. It is made of high carbon drop forged steel with right angled teeth that will grip in all directions. Channellock's patented permalock fasteners eliminate nut and bolt failures. It comes with Channellock's distinctive blue comfort grips. Lifetime Warranty.