Lisle adjustable spark plug wire pullers feature jaws that adjust to five different positions, allowing for quick and simple access to spark plug boots. They have specially shaped, cushioned jaws that grip boots straight on from the side. They also have plastic handle grips designed to help prevent shock, as well as provide excellent grip and comfort. If you work in an automotive shop and spend time replacing spark plugs, Lisle adjustable spark plug wire pullers are must-haves.