These Power Grip tools are excellent tools for both the beginner as well as the seasoned carver. They come pre-sharpened to a razor edge. Their unique handle style makes for a very comfortable grip regardless of which way you hold the tool. They hold an edge due to the quality of steel and the centuries old Japanese method of making samurai swords using laminated steel. This set contains: 5/16"(8mm) Straight Chisel, 5/16"(8mm) Skew Chisel, 1/8"(3mm) #8 Gouge, 1/4"(6mm) #8 Gouge, 3/16"(5mm) V-Parting Tool, 3/8" (10mm) #3 Gouge and a 3/8" (10mm) #5 Gouge.