Well proportioned, hardened, properly tempered, and have a knurled grip for ease of handling Special tempering makes head less likely to fracture from hard, off-center blow.Includes:Plastic Case
Sizes: 1/4" X 4", 1/4" X 6", 3/16" X 6", 3/8" X 6" And 1/2" X 6". For Use In Drilling Stone And Concrete. Sds Style Shank For Use With Sds-Plus Hammer Drill