Craftsman D27256 Compressor Regulator. This regulator is used on compressor. Fits multiple Black & Decker models. Replaces part number d21426. 9-Inch long, 8-Inch wide, and 3-Inch high. Package weight of this item is 3-Pound. Craftsman - America's Most Trusted Tool Brand - is characterized by durability, innovation and consistency. From hand tools to power tools and from lawn & garden equipment to tool chests and other storage solutions, Craftsman products are built to last and designed to give you the confidence to complete any project no matter the size.