21-Piece Tool Set - 21-Piece Tool Set - The tool set presented in a bamboo case includes 3 screwdrivers, 10 holder bits, 3 slotted sizes, 3 Torx sizes and 1 adapter, 4 sockets, 1 milling cutter, 1 handle and 1 connector. Bamboo is a natural product, so there may be slight differences in color, pattern and size.