High quality, made of A2-70 stainless steel20pcs M3x0.5 (3mm), 20pcs M3x0.5 (4mm), 20pcs M3x0.5 (6mm), 20pcs M4x0.7 (4mm) ) 20pcs M4x0.7 (6mm)20pcs M5x0.8 (5mm), 20pcs M5x0.8 (8mm) 20pcs M6x1 (6mm), 20pcs M6x1 (10mm), M8x1.25 (8mm)With plastic box, convenient for storing small screws.New and old boxes are shipped randomly. 200Pcs Screws Stainless Steel Hex Head, Tapered Grub Screw, Hex Socket Screw, Internal Hex Drive Screw, Allen Stainless Steel Punch Screw, Hex Socket Screw Kits < /p> Features: Does not rust permanently Abrasion resistance, corrosion protection No pollution and environmental protection High hardness, no deformation Specification: Quantity: 200 pieces Material: A2-70 stainless steel Color and size: as picture shows Screw type: hex screws Package includes: Thread * Quantity M3 * 3 * 20 pcs M3 * 4 * 20 pcs M3 * 6 * 20 pcs M4 * 4 * 20 pcs M4 * 6 * 20 pcs M5 * 5 * 20 pcs< /p> M5 * 8 * 20 pcs M6 * 6 * 20 pcs M6 * 10 * 20 pcs M8 * 8 * 20 pcs 1 x plastic box