Margin Roller Wheels are recommended for burnishing porosity on gold, silver, platinum and other soft metals.  Excellent for the removal of scratches, marks, and other imperfections on rings, bracelets and other jewelry pieces.  Three sizes are available for the correct application; 8 mm, 10 mm, 12 mm.

The riveting wheels should be used at high speeds with a feather touch.  Do not use with heavy pressure.

Shank size is 3/32".