1. Key Fob Sizes: Key Fob Wide Base: 1" or 25mm, Key Fob Wide Inner Square Top: 0.63" or 16mm; Key Fob Wide Outer Square Top: 0.9" or 23mm, Qty: 36 Sets ( 36 pcs Key Fob and 36 Pcs Split Keyrings) With Tools Use For wristlets with fabric, ribbon, webbing, embossed. 2. Glass Running Pliers Tools Sizes: Glass Running Pliers: Length: 8" 20cm; Nose wideth: 1" 25mm, Adjustable set screw allows you to control the amount of pressure applied, set screw is easy to adjust, and properly tapped; you can use them on different thicknesses of glass. 3. With Rubber Tips: The rubber tips provide protection to avoid scratching your key fob hardware. With plastic tip covers on the jaws, the covers protect the glass from getting scratched or chipped from the tool itself Comfortable Premium Grips and the Rubber Tips to Help Secure Glass, jaws apply leverage to run the score reducing hand fatigue. 4. Great Value: Great tools is not only for glass fusing, breaking small pieces of glass for crafts, cutting glass for window panes and for most glass projects. But aslo Install Key Fob Hardwar easily.