Features 1、Made of high-hardness stainless steel, durable, wear-resistant, and corrosion-resistant. 2、It has a wide range of applications and is mainly used for daily basic maintenance and installation and DIY requirements. 3、There are 165Pcs locking screws of seven different models, to meet your different needs, 4、Easy to install, suitable for many different types of materials, strong and firm, not easy to loosen. 5、With a transparent storage box, different types can be classified and stored, for easy storage and carrying. Specification Condition: 100% Brand New Item Type: Screw Lock Nut Kit Material: 304 Stainless Steel Types: M3, M4, M5, M6, M8, M10, M12 Quantity: 165Pcs Package List 45pcs x M3 35pcs x M4 30pcs x M5 25pcs x M6 15pcs x M8 10pcs x M10 5pcs x M12