Part number:Health Gear2mtdzo8ka3 Item Weight:348 g Product Dimensions:17 x 10 x 2 cm; 348 Grams Batteries included?:No Batteries Required?:No 1. Screw surface with thread, precise workmanship, which can effectively prevent the screw from loosening. 2. With four different specifications of screws M3 M4 M5 M6, can meet the daily use needs. 3. Made of high-hardness stainless steel material, providing high strength and good corrosion resistance. 4. With a transparent storage box, it is convenient to sort and store according to size / type. 5. There are enough stress bearing surfaces for easy tightening and easy to use. Specification: Condition: Item Type: Screws Kit Material: Stainless Steel Standard Number Other Model Large Flat Head Self-Tapping Surface Treatment Without Treatment Material Grade Stainless Steel A2-70 Thread Specification M2 Thread Tolerance 5g packing list: 20 x M3x6 Screws 20 x M3x10 Screws 20 x M3x12 Screws 20 x M3x16 Screws 20 x M3x20 Screws 10 x M4x12 Screws 10 x M4x16 Screws 10 x M4x20 Screws 10 x M5x12 Screws 10 x M5x16 Screws 10 x M5x20 Screws 10 x M6x20 Screws 10 x M6x30 Screws [Self Tapping Screws Assortment Set] : With four different specifications of screws M3 M4 M5 M6, can meet the daily use needs. Screw surface with thread, precise workmanship, which can effectively prevent the screw from loosening. [With Transparent Storage Box] : It is convenient to sort and store according to size / type. Made of high-hardness stainless steel material, providing high strength and good corrosion resistance. There are enough stress bearing surfaces for easy tightening and easy to use. [Wide Application] : M3 M4 M5 Flat head self-tapping screws assortment kit is deal for attaching metal sheets, plastics, wood and other brittle materials. Used for home and office repair, workplace fasteners, ship assembly, machinery, furniture, other repair work, DIY arts and craft [Reinforced Storage Box] : All self-tapping screws are well packed in a reinforced labeled storage case with thickened latches and dividers, different sizes of screws are sorted and stored in different compartments, handy and neat, orderly and easy to store. [Premium Material] : Made of stainless steel, which have superior rust resistance and the excellent of oxidation resistance, which are durable. These screws commonly have a sharp point that helps penetrate the material. [Self Tapping Screws Assortment Set] : With four different specifications of screws M3 M4 M5 M6, can meet the daily use needs. Screw surface with thread, precise workmanship, which can effectively prevent the screw from loosening. [With Transparent Storage Box] : It is convenient to sort and store according to size / type. Made of high-hardness stainless steel material, providing high strength and good corrosion resistance. There are enough stress bearing surfaces for easy tightening and easy to use. [Wide Application] : M3 M4 M5 Flat head self-tapping screws assortment kit is deal for attaching metal sheets, plastics, wood and other brittle materials. Used for home and office repair, workplace fasteners, ship assembly, machinery, furniture, other repair work, DIY arts and craft [Reinforced Storage Box] : All self-tapping screws are well packed in a reinforced labeled storage case with thickened latches and dividers, different sizes of screws are sorted and stored in different compartments, handy and neat, orderly and easy to store. [Premium Material] : Made of stainless steel, which have superior rust resistance and the excellent of oxidation resistance, which are durable. These screws commonly have a sharp point that helps penetrate the material. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.