The Neiko Tools Clay Spade Chisel Bit is a scoop shovel chisel bit for digging large holes and garden, backyard landscaping. It can dig through concrete, packed soil, clay, gravel, adobe, sandstone, frozen dirt, and more. Spade is heavy duty, with alloy steel construction to cut through tough surfaces and for reduced wear. It is 5-1/2" wide, rounded and 17-1/2" in length to work fast. The 1-1/8 inch hex shank is universal.