Stockton Oil Filter Wrench This Stockton Oil filter wrench is made from steel and allows you to get a firm stable grip on your oil filter. The 14-flute design fits most 68mm motorcycle oil filters and uses a 3/8 ratchet drive. Solid steel construction with a durable black coated finish. Features: 14-Flute design 3/8 ratchet drive Steel construction with a durable black finish