Moore's Plastic Discs Sand 7/8" Pack of 200 Discs Grit:Fine these 90-degree hart burs are

these 90-degree hart burs are an ideal choice for jewelers who demand exceptional longevity and cutting performance from their burs

it effectively burnishes all ferrous and non-ferrous metals

stainless steel shot is preferred over carbon steel shot

ideal for long hours of tedious

controlled pressure across the workpiece

Moore's Plastic Discs Sand 7/8" Pack of 200 Discs Grit:Fine these 90-degree hart burs areMoore'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