This 2x4basics WorkBench Legs w/ ShelfLinks drops from $71.99 to just $56.99 at Walmart. Shipping is free. This innovative, do-it-yourself system lets you easily assemble a custom workbench with any dimensions up to 8 feet long and 4 feet wide. This kit includes 4 black work bench legs, 6 black ShelfLinks, and hardware pack To make your custom unit.