Features 1、Made of 304 stainless steel, rust and corrosion resistant. 2、Environment-friendly, no pollution, high hardness. 3、Many specifications choices in one set meet daily basic needs. 4、Well packed in a transparent plastic box. 5、Carefully organized in separated cells, not worry messing them up. Specification Features: 1. Made of 304 stainless steel, rust and corrosion resistant. 2. Environment-friendly, no pollution, high hardness. 3. Many specifications choices in one set meet daily basic needs. 4. Well packed in a transparent plastic box. 5. Carefully organized in separated cells, not worry messing them up. Specification: Material: 304 Stainless Steel Quantity: 140pcs Screw Specifications: #10-32*1/4 20pcs #10-32*5/16 20pcs #10-32*3/8 20pcs #10-32*1/2 10pcs #10-32*5/8 10pcs #10-32*3/4 10pcs #10-32 Nut 50pcs Weight: Approx. 305g Package List: 1 Set of #10-32 Screws and Nuts Package List