Premium material: The grub screw assortment set is made of excellent 304 stainless steel, which has excellent rust protection, oxidation and corrosion resistance properties, is not easy to break and does not slip out easily to ensure a long service life. Easy to use: these machine screws have an even force, no offset, not easy to slip. With the uniform pitch, no sharp edges, obvious screw thread, no residual burrs, the threads of the set screws can grip well. Easy to carry: all hexagon socket screws are stored in a transparent storage box, these hexagon socket screws are properly sorted and are located in the transparent sorting box, which is clear and easy to transport at a glance. Wide applications: these hex screws are suitable for door handles, taps, lights, buttons, armour repairs, plumbers and other small repairs in shops, garages, households, precision machines, classified instruments, electronic products, household appliances, communication products. What you get: M3 x 3 mm; M3 x 4 mm; M3 x 5 mm; M3 x 6 mm; M4 x 4 mm; M4 x 6 mm; M5 x 5 mm; M6 x 6 mm; M6 x 10 mm; M8 x 8 mm, 20 pieces for each size, total 240 pieces and 5 pieces Allen keys, size M1. 5; M2; 5; M2.5; M3; M4 Functions: - The grub screw assortment set is made of high quality 304 stainless steel, which is sturdy and durable for long-term use. - The stainless steel grub screws assortment set contains rich sizes and matching tools that you can choose as needed. - The design of the hexagon socket cap can be easily driven with hex keys and does not slip out easily. - All hexagonal screw set are stored in a plastic box, which is easy to use and easy to carry. - Widely used for maintenance and replacement of equipment at home, shops, garages and other small repair shops. Product Information - Name: Grub screw with hexagon socket set. - Material: 304 stainless steel. - Colour: silver. - Quantity: 240 pieces.