The Lyman Mold Block Box is great for reloaders looking to replace a lost or broken storage box. It is made of tough plastic and features a snap-lock cover that is impervious to moisture, bore cleaner and oil. Includes a black label and fits single and double cavity molds only. Dimensions: 4.25"W x 2"D x 2"TFits: Lyman Single and Double Cavity molds Notes: Box can also be used to store spare parts around the shop or on the reloading bench