Amazon has the DeWalt DWMTC15 15-Piece Magnetic ToughCase for $13 with free shipping on $25+ or with Prime. Heavy-duty case has built-in hooks and 2 high-strength magnets, and includes 15 bits, nut setters, and other accessories. Internal measurements are 6.5"(L) x 2.25"(D) x 1.25"(H).