M0.9 M1.3 M1.5 M1.7 Pipe Rivets Mix PCB Board Copper Nails Hollow Nut SetOOTDTINM0.9 M1.3 M1.3 M1.5 M1.7 Mix PCB Board Copper Nails Hollow Nut Set Features:Just drill a hole a little larger than the outer diameter of your choice and insert via. The via can be easily grounded, if required, to the desired length and a punched center on the shaft side of the circuit board to distribute that side of the shaft. After that, it can be soldered into place or anything you can do. You can even grind your head alternately, and you'll only be left with an extremely discreet shaft. Tip: If you want to wipe them off, you can use sandpaper or a rotary tool. Can be used on the skin; Fabric; Vinyl and MoreSpecification:Product Name: Hollow Material: MetalColor: GoldSize: M0.9 M1.3 M1.5 M1.7QuantityNote: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included(Without Retail Package):1000*hollow