Description: Material: Made of cast steel, smooth surface, high strength and durable. Design: This tyre mount demount design, the arc and length of insertion shape is designed according to the shape of the duck head and the rim edge, easy to use. Smooth Surface: Tyre changer head with smooth surface, reduce friction, prevents the tire rim from scratching and damaging. Application: The tire changer mount demount head suitable for tire changing, makes it easier to mount or unmount your tire. Features: with allen set screws, reasonable angle, with wear resistant protective pad, easy to install. Note: Please ensure the tire bead diameter and wheel diameter match exactly. Size Chart: Size: approx. (LxHxW) 18x8.4x8.2cm/7.09x3.31x3.23inch Package Includes: 1 Piece Tyre Changer Mount Demount Duck Head 3 Pieces Protective Pads Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!