Helps mounting and demounting tires, especially with low profile side walls and run flats. This tire changer bead clamp fits most rims. It can prevent tire bead and wheel damage scuffs or scratches from over stress. Perfect for protecting your rims during motorcycle / bike tire changes. The plunger on this tool is spring loaded so once installed will stay in place while mounting the tire Color: Black Material: Plastic Model: Universal Type: Hand Pulling Function: Drop Tire bead down