Grace USA 7 Piece Steel Punch Set is made with utmost precision. Designed for meticulous work on detailed projects. These punches are from High Carbon Molybendenum Tool Steel and properly heat treated and hardened the entire length with tempered striking end. They are also centerless ground for complete accuracy and incorporated a reverse taper from tip of punch to help prevent punch from sticking in the work piece. The punches are manufactured from hex stock steel vs. round which helps stabilize punch from rolling away from user. Packed in a vinyl pouch for safe storage.