The kit contains bolts, nuts and washers that increase contacting area, , prevent looseness, and protects parts and screws. Designed with craftsmanship and beautiful appearance, with excellent durability and practicality, efficient and professional, which can well meet your needs. Features -Color:Silver -Material:316 Stainless steel -Size:2.00X1.00X0.90cm/0.79X0.39X0.35in -Thread length: 16mm//0.63 inch -Made of 316 stainless steel, acid and alkali resistance, corrosion resistance, resistance. -The design is reasonable, professional and practical, the insulation is , and the use is safer. -The thread is smooth and flat, the squat is evenly stressed, and the screw teeth are stronger. -Suitable for automotive, construction machinery, wind power equipment, agricultural machinery, etc. -Our bolts and nuts washers kits are perfect for professionals, hobbyists, mechanics and DIYers. Package list: 20 x bolts and nuts kits