Items DescriptionMaterial304(A2-70) stainless steelSet A : total 400pcsscrew 200pcs + nut 200pcs:Set B : whole 380pcsscrew 650pcsSet C : complete 1140pcs + 4pcs screw driving force (free)screw 380pcs + nut 380pcs + washer 380pcs + motive force 4pcs:Set D : whole 2100pcs + 4pcs screw driving force (free)screw 700pcs + nut 700pcs + washing machine 700pcs + driver 4pcs:Product displayFAQ:1.How long will my package ship out?We will ship out as quickly as possible, Usually all of the kit will be send out within forty eight hours..2. Wholesalers and merchants are welcomed.For wholesale, simply please touch to us, we are able to provide discount. If you are a store and wish make your personal business, shall we ship the products to your customers straight and won't depart details about us if you'd like to.3.What should I do if I don't obtain my item? Or the product has some problem?Please touch us first, we are able to do our best to solver it, we want to supply complete refund or resend it for you. We are honest seller, so don't worry.4.How to do once I measure the dimensions is smaller than ordered?Usually the screw will be look smaller, If you use the original rule to measure the screw, maybe it will have error, it will likely be look smaller. The appropriate way to measure the screw is through vernier caliper.5.The stainless steel fastener would be attracted via a magnet.Most people think the stainless steel can't be attracted through a magnet. But the chrome steel has many systems, some can’t be attracted by way of magnet, but some can. And the stainless-steel will have a little magnetic after it made to screw or other thing. If need the stainless steel can't be attracted via a magnet, Demagnetization is required. The appropriate technique to discern it is chrome steel or no longer is useing spectroscopic devices or potions.Please have faith us, we only promote the superb chrome steel fastener.