Features: <br>Made of high quality nickle plated iron, these screws and nuts are sturdy and durable. <br>These cage screws and nuts are installed in square or rectangle holes. <br>Fast and convenient to install, they can be disassembled and repositioned. <br>They are the best choice to replace welding nuts. <br>Preferred fasteners for electrical cabinets of railway, vehicles, network cabinets, mechanical mold, etc. <br> <br> <br>Specification: <br>Material: Nickle plated iron <br>Size: M5*16, M5*20, M6*16, M6*20 (Optional) <br>Quantity: 20pcs <br>Weight: 160g~208g / 5.6oz~7.3oz (approx.) <br> <br> <br>Package list: <br>20 * Screws and Nuts<br>1、Made of high quality nickle plated iron, these screws and nuts are sturdy and durable. <br>2、These cage screws and nuts are installed in square or rectangle holes. <br>3、Fast and convenient to install, they can be disassembled and repositioned. <br>4、They are the best choice to replace welding nuts. <br>5、Preferred fasteners for electrical cabinets of railway, vehicles, network cabinets, mechanical mold, etc.