16" Flat Chisel with 1-1/8" Hex Shank ATTENTION: 1-1/8"(28 mm) Hex ONLY. Not for 5/8" or 1-3/16" Hex chuck jack hammer(PLEASE CHECK BEFORE ORDERING) UNIVERSAL: Fits most 1-1/8" Hex demolition jack hammers, Includes BSK-127FD, BSK-125KD APPLICABILITY: Flat chisel are ideal for demolishing, chipping, breaking, removing in concrete, masonry, brick, stone and other hard material surfaces DURABLE: Made of high-quality steel hardened in one-piece for durability. Approximately 16" long and 1-3/8" wide Efficiently: strives to be an efficient and economical supplier of power tools and accessories. If you have any problems with our products, please feel free to contact us through Amazon