VIGRUE high quality M2 M3 M4 alloy steel hex socket head cap screws nuts set 1080pcs Assortment Kit. Pcs hex socket head cap screws and nuts, everything is very organized and decent in the case. specification: screws type: hex socket head cap screws. size: M2 M3 m4 material: 12.9 grade alloy steel package quantity: 1080 pcs. what you will get: screws: 20Pcs M2 x 4mm 20Pcs M2 x 6mm 20Pcs M2 x 8mm 20Pcs M2 x 12mm 20Pcs M2 x 16mm 20Pcs M2 x 20mm 20Pcs M3 x 4mm 20Pcs M3 x 8mm 20Pcs M3 x 12mm 20Pcs M3 x 16mm 20Pcs M3 x 20mm 20Pcs M3 x 30mm 20Pcs M4 x 6mm 20Pcs M4 x 10mm 20Pcs M4 x 14mm 20Pcs M4 x 18mm 20Pcs M4 x 20mm 20Pcs M4 x 30mm nuts and washers: 120Pcs M2 nuts 120Pcs M3 nuts 120Pcs M4 nuts 120Pcs M2 washers 120Pcs M3 washers 120Pcs M4 washers> hex wrenches: M2 hex wrench.5mm size: 16*45mm M3 hex wrench.5mm size: 19*55mm M4 hex wrench.0mm size: 23*57mm package quantity: 1080Pcs. Hex socket bolt and nuts(+-2%). warm tips: products contain small parts, please do not let children play, to prevent inadvertent swallowed. VIGRUE guarantee: VIGRUE is a professional company of fasteners. If for any reason our set doesn't fit your expectations or if something is wrong with the set then we will replace it at no additional cost or refund your money. We are proud of our product and when you receive yours you will be happy with it too