These Roughneck Pro Series Bevel Edge Chisels are manufactured chrome vanadium and heat treated for long life performance. The bevel edge blade has two cutting angles, 25? ground angle and a pre-honed 30? angle for immediate use. The soft grip handles provide comfort and control and the heavy-duty end cap allows repeated striking. The thru-tang design transfers striking force to the cutting edge for maximum effect and outstanding durability. Supplied with tip protectors for protection and user safety. This 4 piece Wood Chisel set contains the following sizes: 6mm, 13mm, 19mm and 25mm.