DIY Shoe Repair Parts used by Cobblers except they're Half the Price! These easy to fit U-Shape High Heel Tips are sold in pairs and are made from hardwearing Plastic like material called Polyurethane making them strong and long lasting plus comfortable to walk on. Fitting takes seconds - Just pull out the worn heel tip and slide in your new one. If you need a helping hand, just use pliers. The .120 fitting pin slides in easily on most high heels. A tap with a hammer will secure your heel tip. No need for adhesive. How to measure your Heel Tips Take a mm ruler and measure the long, flat side. This is the first measurement. Then measure from the middle of the long, flat side to the peak of the U-shape. This gives you the second measurement.