Set included: 7 sizes M4 / M5 / M6 / M10 / M12 A total of 340 pieces, in a transparent box, applicable to different sizes of fasteners. High quality materials: made of 65 mn metal steel, brown, without ridge, provides good resistance to corrosion and high temperatures. 7 Size: Starlock 340 parts subleucker set contains 7 most used sizes M3/M5/M6/M10/M12, all washers are packed in a strong transparent plastic case and can be used for a storage box. Functional principle: a fuse disc exerts a spring force between the head of the fasteners and the substrate, which holds the hard drive against the substrate and the hard bolt thread against the mother or substrate thread, whereby More friction and rotating resistance. Wide application spectrum: whether used in machine equipment, industrial production of shock absorption and insulation, your Different requirements can be met on a daily basis. Starlock Dent Disc Scent Kits High quality installations, perfect for quick repairs and very simple repairs. Product description : -7 Size M3 / M5 / M6 / M10 / M12 A total of 340 pieces, in a transparent box, suitable for different sizes of fasteners. - Manufactured in metallic steel 65 min, burnt, without ridge, offers good corrosion and good resistance to wear and tear. temperature. - Starlock subordinate discs of high quality High with internal dental, perfect for quick repairs and super simple repairs. - Accessories in the equipment of the machine, industrial production of shock absorption and insulation can meet your needs. your different daily requirements. Specifications: Material: 65mn metal steel Color: black Sizes: M3 / M4 / M6 / M8 / M10 / M12 Quantity: 340 pieces Package includes : - M3 - 60 pieces - M4 - 60 pieces - M5 - 60 pieces - M6 - 50 pieces - M8 - 50 pieces - M10 - 40 pieces < p>- M12 - 20 pieces