Features FINE WORKMANSHIP: Well crafted with fine and smoothly appearance, these screws and nuts provide a comfortable feel and good use experience. STANDARD SIZE: These standoff screws are produced in standard hex size, which is convenient to install and assemble, easy to use. BRASS MATERIAL: Made of premium brass material, these tools have premium oxidation resistance and thermal conductivity and are rust resistant and easy to clean. 120PCS: There are 120 pieces M3 tools including nuts, screws, standoffs, in the package that you can use them respectively to meet your different needs. WIDE APPLICATION: This screw standoff kit is widely used in various fields such as semiconductors, automobiles, medical equipment, consumer electronics, mobile phones, etc. Specification: Item Type: M3 Standoff Kit Material: Brass Color: Gold Application: Widely used in various fields such as semiconductors, automobiles, medical equipment, consumer electronics, mobile phones, computers, aerospace, outdoor architecture, interior decoration, etc. Package List:10 x M3 6mm Standoff 10 x M3 10mm Standoff10 x M3 15mm Standoff10 x M3 20mm Standoff10 x M3 6mm+6mm Standoff Screw 10 x M3 10mm+6mm Standoff Screw 10 x M3 15mm+6mm Standoff Screw 10 x M3 20mm+6mm Standoff Screw 20 x M3 Nut 20 x M3 6mm Screw 1 x Storage Box   Package List 10 x M3 6mm Standoff 10 x M3 10mm Standoff 10 x M3 15mm Standoff 10 x M3 20mm Standoff 10 x M3 6mm+6mm Standoff Screw 10 x M3 10mm+6mm Standoff Screw 10 x M3 15mm+6mm Standoff Screw 10 x M3 20mm+6mm Standoff Screw 20 x M3 Nut 20 x M3 6mm Screw 1 x Storage Box