Designed for the cabinet maker, rather than the timber framer, these well-balanced Mortice Chisels are ground with parallel sides and are taller than they are wide to help keep them straight in the cut. The Lie-Nielsen Mortice Chisels have handles made from tough durable Hornbeam. The blades are cryogenically treated and hardened to Rockwell 60-62. This complete five set is supplied with a leather tool roll. It comprises: 4.8mm(3/16"), 6.3mm(1/4"), 8mm(5/16"), 9.5mm(3/8") and 12.7mm(1/2").