Items DescriptionMaterialCarbon steelBox include6 sizes whole 115pcsM4*8 25pcs / M4*10 20pcs / M5*8 30pcs M6*8 20pcs / M6*10 10pcs / M8*10 10pcsFAQ:1.How lengthy will my kit send out?We will send out as quickly as possible, Usually all of the equipment will be send out inside 48 hours.2. Wholesalers and merchants are welcomed.For wholesale, just please contact to us, we can provide discount. If you are a store and need make your personal business, we could ship the goods in your customers instantly and won't depart information about us if you'd like to.3.What must I do if I don't receive my item? Or the product has some problem?Please touch us first, we are able to do our greatest to solver it, we wish to offer full refund or resend it for you. We are sincere seller, so don't worry.4.How to do once I measure the size is smaller than ordered?Usually the screw might be appearance smaller, If you utilize the original rule to measure the screw, maybe it's going to have error, it will be look smaller. The appropriate option to measure the screw is by vernier caliper.5.The stainless-steel fastener could be attracted via a magnet.Most people think the stainless steel can't be attracted via a magnet. But the stainless steel has many systems, some can’t be attracted by magnet, yet some can. And the chrome steel could have a little bit magnetic after it made to screw or other thing. If want the chrome steel can't be attracted through a magnet, Demagnetization is required. The correct approach to discern it's chrome steel or now not is useing spectroscopic instruments or potions.Please have confidence us, we solely promote the positive stainless steel fastener.