HIGH QUALITY TO BE TRUSTWORTHY: 304 stainless steel material, not rust, anti-moisture, anti - oxidation, corrosion resistant, acid/alkali resistance, high hardness. No pollution, Health lead-free environmental protection non-toxic. MANY SPECIFICATION TO BE CHOSEN: M10x40mm,M10x50mm,M10x70mm,M10x80mm,total 12 Set, Includes 4 Most Common Sizes. (Pitch Size: M10*1.5mm) STANDARD SIZE(Tolerance:±0.005mm): Uniform force, located in the center of the head with no offset, not easy to slip; Uniform pitch, obvious screw thread, no residual burrs, the set screw threads will be able to get a good grip. (Pitch Size: M6*1.0mm) PLASTIC HEAT SEAL PACKAGING: Practical and convenient of packing box, All of screws and nuts are packed in a durable and sturdy box, this box can be use for a storage box. PRODUCT DESCRIPTION: 12Set M10 Stainless Steel Hex Head Screws Bolts and Nuts Flat & Lock Washers Assortment Kit SPECIFICATION: 1. Type: Heavy Duty Bolts and Nuts Flat & Lock Washers 2. Material: 304 Stainless Steel 3. Package Quantity: 12 Set 4. Main Color: Silver Tone; WHAT YOU WILL GET: Bolts: M10 x 40 mm --- 3pcs M10 x 50 mm --- 3pcs M10 x 70 mm --- 3pcs M10 x 80 mm --- 3pcs Nuts and Washers: M10 Nuts --- 12PCS M10 Lock Washers --- 12PCS M10 Flat Washers(Diameter 20mm) --- 12PCS M10 Flat Washers(Diameter 30mm) --- 12PCS NOTE: Due to the difference between different monitors, the picture may not reflect the actual color of the item. WARM TIPS: Products contain small parts, please do not let children play, to prevent inadvertent swallowed.