Features: Made of nylon material, very soft and durable. Mount demount duck heads are designed to help protect your rims from scuffs and scratches when changing tires. Designed to protect your rims from scuffs and scratches when changing tires, reduce damage the wheel rims. Simply unbolt the steel roller and bolt in the plastic insert. Easy installation, simple operation, improve work efficiency. Great for motorcycles and bike tire changes in the garage or travel use. Specifications: Material:Nylon Quantity:1Set,10Set Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set or 10Set Tyre Changer Protector