GOOD TOOLS FOR GOOD WORKS, IMSCREWS FIX YOUR HOME. 25PCS HEX BOLTS NUTS with Flat washer and lock washer Made of 304 stainless steel anti-rust and corrosion resistance | by IMSCREWS PACKAGE QUANTITY: 5pcs--M6x25mm, 5pcs--M6x40mm, 5pcs--M6x50mm, 5pcs--M6x60mm, 5pcs--M6x75mm. TIPS: ?? EASY TO CARRY: All the nuts and bolts are packed in a transparent box with clear size label on it. It is convenient for user to store and use. ?? GOOD AFTER-SALE SERVICE: IMSCREWS provides good after-sale service for our product quality problem. Please feel free to contact us if you have any questions.