Boraam 40080 Techny Collection Hartley Hollow Core Bookcase, Light Oak Ready To Assemble construction (RTA): all tools are included making assembly easy as 1, 2, 3! Camlock construction; screw holes are not visible once assembled 3 shelves; 4 shelves when including the top of the bookcase Each shelf can hold up to 70 pounds; over 300 pound total weight limit when weight is evenly disbursed Double V-cut method used when veneering; provides smooth rounded edges and prevents premature wear