【UNIVERSAL ADJUSTABILITY】 The set features a universal adjustable oil filter wrench, complete with a useful adapter compatible with any 3/8" or 1/2" drive ratchet, for easier oil filter removal. 【VERSATILE SIZES】 The ELEAD 9-Piece Oil Filter Wrench Set includes four swivel oil filter wrenches, each with 180-degree flexible heads, suitable for various filter sizes from 2-3/4" to 5-1/4".