Hardware kit for IKEA KALLAX 3 x 4 Shelf Unit (71-5/8 in x 71-5/8 in). Contains all 8 screws and 80 wooden dowels needed to assemble the shelf. The kit contains replacement parts for IKEA parts 104321, 104322 (screws) and 101339 (dowels). This hardware kit is made to be compatible with the Black-Brown IKEA KALLAX shelf with model number 703.015.42.