Features 1、170pcs in total amount with different types, meet your different demands. 2、Comes with a storage box with different slots, convenient to use and portable. 3、Made of stainless steel material, durable and sturdy. 4、Strong anti-oxidation ability and corrosion resistance. 5、Nice accessory to prevent bolts from being exposed and coming out. Specification Features: 1. 170pcs in total amount with different types, meet your different demands. 2. Comes with a storage box with different slots, convenient to use and portable. 3. Made of stainless steel material, durable and sturdy. 4. Strong anti-oxidation ability and corrosion resistance. 5. Nice accessory to prevent bolts from being exposed and coming out. Specifications: Material: Stainless Steel Quantity: 170pcs Size: M3*0.5 45pcs M4*0.7 35pcs M5*0.8 30pcs M6*1.0 30pcs M8*1.25 15pcs M10*1.5 10pcs M12*1.75 5pcs Weight: Approx.416g/14.67oz Package List: 1 * Box of Nuts Package List