10K Bent Square Shank Hallmark Stamps-3 Sizes Speedwire The kit spans five abrasive

The kit spans five abrasive grades

Four-stage filtration system captures dust

Available in two sizes to suit a range of design applications

post 2008)

10K Bent Square Shank Hallmark Stamps-3 Sizes Speedwire The kit spans five abrasiveThese bent square shank 10K hallmark stamps are made of precision cut, heat treated tool steel and are designed for marking gold alloys that are no less than 0. 375% pure gold by weight. The bent shank design also known as a gooseneck stamp allows the stamp to reach the inside of rings and other curved surfaces where a straight shank cannot access. These stamps produce sunken impressions on precious metals. Measurement refers to the height of the