All items are made/kept in a smoke-free, pet-free environment. This listing is for # 304 stainless steel bolts QTY 25 (Do you need a different quantity? 5, 10, 12 screws? Ask us.) 40mm bolt m12x1.75 thread includes a bolt, nut, washer and locking washer (4pcs in each set) 25 sets per lot Shipping and payment information Immediate payment is always appreciated, and will help to get your order faster.