Features 1、It is about 250 grams per package, meeting your needs definitely 2、It is specially made to work with tumbler and polisher 3、Pins are prepared and made from stainless steel that will be attracted to the movement of the magnets and yet not rust like steel shot media 4、Tiny pins reach into the tightest areas 5、The pins having a smaller diameter provide a lighter weight and less impact on the surface during the finishing operation Specification Features: It is about 250 grams per package, meeting your needs definitely. It is specially made to work with tumbler and polisher. Pins are prepared and made from stainless steel that will be attracted to the movement of the magnets and yet not rust like steel shot media. Tiny pins reach into the tightest areas. The pins having a smaller diameter provide a lighter weight and less impact on the surface during the finishing operation. Specification: Material: Stainless Steel Color: Shown As Pictures Diameter: Approx. 0.3mm Length: Approx. 5mm Item Weight: 250g Type: Jewelry Making Tool Sets Package Weight: 252g Package List: 1 * Pack of Polishing Pin (250g) Note: It is reusable, use with care. And, When it is not used, please clean it and keep it dry. Package List