Uxcell M4 Acorn Cap Nut Bolt Cover Screw Caps Insert Female Thread Knurled Shiny Black 50 Pack

Common hardware products to screw on the bolts or screws. Good for decorating. Applied on light finials mechanical equipment electronic equipment and furniture decoration. Advantage 1. Carbon steel material with electroplated coating good hardness and corrosion resistance durable to use. 2. Knurled design can increase friction easy for you to operate. 3.No burrs inside the thread easy to install. Instruction Only need to screw it on screw pipe or bolts. No other tools are needed. Note: Please confirm the thread size and type.