General description Neilsen Oil Filter Cap Removal Remover Wrench Tool Socket Set includes 7 pieces of aluminium cup type filter wrenches designed for efficient removal of paper cartridge style oil filters. This set is particularly useful for vehicles such as VAUXHALL/OPEL VECTRA, MERCEDES, and VW. Technical specifications Sizes: 24mm, 27mm, 30mm, 32.5mm, 36mm, 38mm Flutes / Steps: 24mm 6 / 1, 27mm 6 / 1, 30mm 6 / 1, 32.5mm 6 / 1, 36mm 6 / 1, 38mm 6 / 1 Adaptor: 1/2" Sq Drive (M) x 3/8" Sq Drive (F) Compatibility and accessories Compatible with 3/8" or 1/2" Sq drive Can be used with a 27mm spanner/socket