A broad range of diameters available in three lengths (4-3/4, 6, and 18) makes us the one-stop source for WOOD WORKING TOOL Also know as Spade Bits, are the economical choice for quick and easy drilling of holes in wood, plastic, plywood, and formica.A broad range of diameters available in three lengths (4-3/4, 6, and 18) makes us the one-stop source for Flat Bits.Speed and ease of use with ...