Feature:1. Professional and practical design, compact appearance, easy to carry and use2. Fine workmanship, exquisite application, durable to use3. Smooth appearance with clear threads, even and burr-free4. Widely used in various accuracy instruments, meters and electronic products, etc.5. There is a box which you can store and convenient to carrySpecification:Item Type: Grub ScrewMaterial: Stainless SteelModel: M3/M4/M5/M6/M8Including:20 x M3x3mm Grub Screw20 x M3x4mm Grub Screw20 x M3x6mm Grub Screw20 x M4x4mm Grub Screw20 x M4x6mm Grub Screw 20 x M55mm Grub Screw20 x M58mm Grub Screw20 x M6x6mm Grub Screw20 x M6x10mm Grub Screw20 x M88mm Grub Screw.Package List:20 x M3x3mm Grub Screw20 x M3x4mm Grub Screw20 x M3x6mm Grub Screw20 x M4x4mm Grub Screw20 x M4x6mm Grub Screw 20 x M55mm Grub Screw20 x M58mm Grub Screw20 x M6x6mm Grub Screw20 x M6x10mm Grub Screw20 x M88mm Grub Screw