916" Inside Ring Punch Superior

Superior (Tool Steel) - Hardened between 50-55 HRC which gives a clean stamp when used; Precious metal marking punches; Swan-neck perfect for inside ring marking; Height of letters 1mm; UK symbol for carat "CT; Text in inverted comma's ("XXXX") is the punch mark A brass brush can be used to remove any residue around the characters to ensure a clean stamp.