These chisels are made by a highly respected cutting tool manufacturer in the Czech Republic and are of exceptional quality. The blades are made from fine-grained, nicely tempered chrome-manganese steel and hardened to Rc 59. The blade edges are ground with acute 35 degree angles to provide excellent clearance into the tight corners of dovetails. The primary bevels are ground at 25 degrees. Blades are 5 inches long and have a hollow on the back similar to those found on premier Japanese chisels. Handles are stained beech and 5 1/4 inches long, 1 1/4 inches in diameter and have 2 antique brass ferrules. Overall lengths are 10 1/4 inches. The blades take and hold an excellent edge. As with all edge tool, they'll need final honing before use.These chisels are an excellent value in a good quality tool.