Items DescriptionMaterial304(A2-70) stainless steelSet A : whole 400pcsscrew 200pcs + nut 200pcs:Set B : complete 625pcsscrew 625pcsSet C : total1140pcs + 4pcs hex key (free)screw 380pcs + nut 380pcs + washer 380pcs + hex key 4pcs:Set D : total2100pcs + 4pcs hex key (free)screw 700pcs + nut 700pcs + washing machine 700pcs + hex key 4pcs:FAQ:1.How lengthy will my package ship out?We will ship out as soon as possible, Usually all the equipment will be ship out inside forty eight hours.2. Wholesalers and retailers are welcomed.For wholesale, simply please contact to us, we can provide discount. If you're a retailer and wish make your own business, lets ship the goods on your clients directly and won't leave information 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 can do our best to solver it, we want to supply complete refund or resend it for you. We are sincere seller, so don't worry.4.How to do after I measure the scale is smaller than ordered?Usually the screw will be look smaller, If you use the unique rule to measure the screw, perchance it'll have error, it is going to be look smaller. The right method to measure the screw is through vernier caliper.5.The stainless-steel fastener could be attracted through a magnet.Most humans suppose the stainless-steel can't be attracted by means of a magnet. But the stainless steel has many systems, some can’t be attracted via magnet, yet some can. And the chrome steel may have a bit of magnetic after it made to screw or other thing. If need the chrome steel can't be attracted via a magnet, Demagnetization is required. The correct solution to discern it is stainless-steel or now not is useing spectroscopic devices or potions.Please believe us, we only sell the advantageous chrome steel fastener.