Bought these to mark tool ID numbers on steel parts while working. It works very well with mild steel and tool steel, both soft and hardened. Stainless steel is not marked. I haven't tried aluminum or other materials.
KSEIBI 271420 Machinist Engineers Hammer With Soft Grip Handle - Forged Steel Cross Peen Sheet Metal Hammer, Ideal For Blacksmith Forging Tools (1.10 Lb / 500 Grams)
29 Review
BETOOLL 9-Piece Long Reach Hose Clamp Pliers Set For Fuel, Oil, And Water Hoses - Essential Auto Tools
38 Review
Gifts For Dad Husband Boyfriend Gifts For Him Unique Birthday Gifts For Men RoverTac 14 In 1 Multitool Pocket Knife Pliers Screwdrivers Saw Bottle Opener Perfect For Camping Survival Hiking Repairs
32 Review
DURATECH Flare Nut Wrench Set, SAE, 3-piece, 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', High-Quality CR-V Steel, Organizer Pouch Included
25 Review