Home / Gas & Oil / Parts & Pieces / 4″ BSA Wrench 4″ BSA Wrench$12.00 Out of stock Categories: Gas & Oil, Parts & Pieces Description Description 4″ Birmingham Small Arms Company wrench. Related products Visionade Heat and Glare Shield (NOS) $20.00 Add to cart Early Automotive Starter Pedal $24.00 Add to cart Goodyear Tire Wall Mounted Hook $39.00 Add to cart 1962 Buick Chassis Service Manual $25.00 Add to cart