Moore's Plastic Discs Sand 7/8" Pack of 200 Discs Grit:Fine it effectively burnishes all ferrous

it effectively burnishes all ferrous and non-ferrous metals

seal used bags to recover precious metal dust

This kit does not fit any other Quatro products

stainless steel shot is preferred over carbon steel shot

controlled pressure across the workpiece

Moore's Plastic Discs Sand 7/8" Pack of 200 Discs Grit:Fine it effectively burnishes all ferrousMoore's 7 8" diameter Sand Plastic Discs are coated with particulate graded sand, an all natural abrasive ideal for sanding and finishing work. These flexible plastic back discs feature brass centers that snap onto special 3 32" mandrels, giving jewelers and metalsmiths a secure, consistent mount during use. Available in four grits Coarse, Medium, Fine, and X Fine these discs let you progress through abrasive stages for smooth, controlled surface