Platium Carat Karat Punch
Good quality sturdy carat punches for marking all types of jewellery.
The Swan Neck are great for stamping inside ring shanks etc.
All Dimensions are Approx
Do You Design or Manufacture Platinum Items? Have You Recently Tested an Item and Found it to be Platinum or are The Hallmarks Rubbed? 
Then This Punch Is a Must. Allowing You To Mark The Item As Platinum.
They Are Very Easy To Use, Just Decide The Best Position On The Item Place Punch Firmly in Position. Then Strike With a Heavy Hammer