IRWIN Tools Marples Construction Chisel, 1-inch (1768777) This all-purpose, bevel-edge chisel has a large strike cap and split-proof handle withstands repetitive hammer strikes. Ergonomic handle design with ProTouch Grip is durable enough to withstand jobsite abuse. High-carbon steel blade delivers superior performance and edge retention, and stays sharp to the last inch. IRWIN Tools Marples chisels have been the industry leader for woodworkers for nearly 200 years.