Performance Tool 4-piece socket adapter set built from chrome vanadium with nickel-chrome plating for converting between 1/4", 3/8", and 1/2" drive sizes. Essential for riders working on V-twin engines where metric and standard fasteners demand multiple socket drive sizes. Features Chrome vanadium construction Polished nickel-chrome plated finish Includes 1/4" to 3/8", 3/8" to 1/4", 3/8" to 1/2", and 1/2" to 3/8" adapters Lifetime warranty Specifications Brand: Performance Tool Manufacturer Part #: W30934 UPC: 039564309342 Material: Chrome vanadium Finish: Polished nickel-chrome plated Length: 2.95 in Width: 4 in Height: 0.85 in Weight: 0.32 lbs Country of Origin: China (Taiwan) Fitment Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models. Frequently Asked Questions What drive sizes do these adapters cover? The set converts between 1/4", 3/8", and 1/2" drive sizes — four adapters total for common socket combinations. Are these adapters durable enough for motorcycles? Yes — chrome vanadium construction is engineered for the torque demands of V-twin engine work and backed by a lifetime warranty. Will these work with impact tools? These are hand-tool adapters. For impact wrench use, verify impact-rated socket adapters separately. What's included in the 4-piece set? Four adapters: 1/4" to 3/8", 3/8" to 1/4", 3/8" to 1/2", and 1/2" to 3/8".