Full finish. Black oxide coating for corrosion resistance. 6 piece chisel set. Made in the USAThese chisel are pencil shaped with a sharp blade screwdriver end. When you hit the blunt end with a hammer, it forces the blade end into metal to mark it or even cut through it. It's ideal for cutting, shaping and removing metal softer than the cutting edge of the chisel. These come 3 in a box. Made with the quality and durability to last! This set includes the following cutting widths: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4".