Items DescriptionMaterial304(A2-70) stainless steelSet A : whole 400pcsscrew 200pcs + nut 200pcs:Set B : total 650pcsscrew 650pcsSet C : complete 1140pcs + 3pcs screw motive force (free)screw 380pcs + nut 380pcs + washing machine 380pcs + driving force 3pcs:Set D : whole 2100pcs + 3pcs screw driving force (free)screw 700pcs + nut 700pcs + washer 700pcs + driving force 3pcs:Product displayFAQ:1.How lengthy will my kit send out?We will ship out as quickly as possible, Usually all of the kit could be send out within 48 hours..2. Wholesalers and merchants are welcomed.For wholesale, just please contact to us, we can supply discount. If you're a retailer and need make your own business, lets ship the goods on your prospects immediately and won't depart details about us if you'd like to.3.What must I do if I don't obtain my item? Or the product has some problem?Please contact us first, we are able to do our greatest to solver it, we would like 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 size is smaller than ordered?Usually the screw may be appearance smaller, If you employ the unique rule to measure the screw, maybe it's going to have error, it will likely be appearance smaller. The appropriate approach to measure the screw is via vernier caliper.5.The stainless-steel fastener can be attracted by means of a magnet.Most people suppose the chrome steel can't be attracted by way of a magnet. But the chrome steel has many systems, some can’t be attracted by way of magnet, yet some can. And the stainless-steel will have a bit magnetic after it made to screw or different thing. If want the stainless steel can't be attracted via a magnet, Demagnetization is required. The correct solution to discern it's chrome steel or not is useing spectroscopic devices or potions.Please trust us, we solely sell the high quality chrome steel fastener.