This 3/4" (18 mm)wood chisel is strong &durable. The hardened, tempered chrome carbon steel blade retains it's edgewhen in use.With their short series lacquered blades, ergonomically designed, bi-material handles, these tools are designed to meet the no-excuse demands of both fine woodworkers &professional carpenters. The chisel includes a chisel blade guard for protection when not in use, & with the blade guard on, they can be mounted to the wall or pegboard for home storage.