Simplicity Deluxe 16/32" Piping Tip And Iron Cover Machine accessory to create 16/32 inch wide fabric piping. Accessory to the Simplicity Deluxe Bias and Piping Machine. Cover cording with your own fabric to create custom trims! Cording, fabric and our proprietary fusible web are threaded into the machine, pass through a guide, then under a heating element to melt the web, securing the cording inside the fabric. Simplicity piping tips available in sizes: 4/32", 6/32", 8/32", 10/32", 12/32", 16/32"