Features • Professional Design for Precision: This set of screws features a compact and practical design, ensuring easy handling and transportation for your accuracy instruments • Superior Craftsmanship: Each screw is meticulously crafted for exceptional quality, providing reliable and effective performance in various applications • Smooth Finish with Clear Threads: The screws boast a polished appearance with distinct threads, ensuring a secure fit and preventing any burrs during installation • Versatile Application: Ideal for use in a wide range of accuracy instruments, meters, and electronic products, making it a crucial addition to any toolkit • Convenient Storage Box Included: Comes with a durable storage box for easy organization and portability, keeping your screws secure and accessible at all times Features: 1、Professional and practical design, compact appearance, easy to carry and use 2、Fine workmanship, exquisite application, to use 3、Smooth appearance with clear threads, even and burr- 4、Widely used in various accuracy instruments, meters and electronic products, etc. 5、There is a box which you can store and convenient to carry Specification: Item Type: Grub Screw Material: Stainless Steel Model: M3/M4/M5/M6/M8 Including: 20 x M3xm Grub Screw 20 x M3x4mm Grub Screw 20 x M3x6mm Grub Screw 20 x M4x4mm Grub Screw 20 x M4x6mm Grub Screw 20 x M5×5mm Grub Screw 20 x M5×8mm Grub Screw 20 x M6x6mm Grub Screw 20 x M6x10mm Grub Screw 20 x M8×8mm Grub Screw Package List: 20 x M3x3mm Grub Screw 20 x M3x4mm Grub Screw 20 x M3x6mm Grub Screw 20 x M4x4mm Grub Screw 20 x M4x6mm Grub Screw 20 x M5×5mm Grub Screw 20 x M5×8mm Grub Screw 20 x M6x6mm Grub Screw 20 x M6x10mm Grub Screw 20 x M8×8mm Grub Screw Package List 20 x M3x3mm Grub Screw 20 x M3x4mm Grub Screw 20 x M3x6mm Grub Screw 20 x M4x4mm Grub Screw 20 x M4x6mm Grub Screw 20 x M5×5mm Grub Screw 20 x M5×8mm Grub Screw 20 x M6x6mm Grub Screw 20 x M6x10mm Grub Screw 20 x M8×8mm Grub Screw