Items DescriptionMaterialBlack carbon steel304(A2-70) stainless steelBox include10 sizes total 1000pcsFAQ:1.How lengthy will my equipment send out?We will send out as soon as possible, Usually all of the equipment can be ship out within forty eight hours..2. Wholesalers and retailers are welcomed.For wholesale, simply please contact to us, we will offer discount. If you're a retailer and need make your personal business, shall we ship the products to your clients straight and won't leave information about us if you'd like to.3.What should I do if I don't get hold of my item? Or the product has some problem?Please touch us first, we can do our best to solver it, we wish to supply full refund or resend it for you. We are honest seller, so don't worry.4.How to do when I measure the scale is smaller than ordered?Usually the screw could be appearance smaller, If you employ the unique rule to measure the screw, per chance it's going to have error, it is going to be appearance smaller. The correct solution to measure the screw is via vernier caliper.5.The chrome steel fastener could be attracted by means of a magnet.Most humans think the stainless-steel can't be attracted through a magnet. But the stainless steel has many systems, some can’t be attracted through magnet, but some can. And the stainless steel may have a little bit magnetic after it made to screw or other thing. If want the stainless-steel can't be attracted by way of a magnet, Demagnetization is required. The appropriate method to discern it's stainless steel or not is useing spectroscopic devices or potions.Please have confidence us, we only sell the fantastic chrome steel fastener.