Tooluxe 02625 Demolition Jack Hammer Bit Set, Chromium-Vanadium Steel | Flat Tip and Bull Point Chisels Extra-long and sturdy replacement drill bits for jack hammers and designed for serious demolition Bits are made from chromium-vanadium steel for increased hardness and resistance to abrasion, oxidation, corrosion Designed to cut through concrete, clay, tile stucco, masonry, block, brick, housing foundation, oil chimneys and more Use for demolition, trenching, chipping, tearing through foundation, digging up clay, making holes in concrete, and more Includes one 16-inch flat tip bit and one 16-inch hex-point bit