18K 21K Straight Marking Punch 0.7mm For Gold Karat Silver Karat Metal Karat Jewellery Stamping Jewellery Marking Tools

• Character: 18K / 21K

• Character height: 0.7mm

• Steel shank's dimension: 74 x 6.8mm

• Shape of shank: Straight

• Premium Quality

• Made of durable long-lasting material.

• Mark your jewelry with quality karat value easily.

• Stamp the character on jewellery with hammer.

• Use brass brush to remove residue around the characters after stamping.