The ATD Tools 31-pc Filter Wrench Set, No. ATD-5231, is designed for use with a 3/8" ratchet/extension or with included drive wrench. The set fits many BMW, Volvo, Honda, Audi, Ford, Toyota, and Nissan models with cartridge oil filters. The sockets provide multiple contact points to engage the housing cap securely for maximum removal torque without damage. The set is made of high-quality steel with a chrome finish for strength and durability. Set includes (28) 3/8" drive oil cartridge filter sockets in a wide range of sizes, plus a socket drive wrench and two adjustable filter wrenches.