Compatibility: For use with 10mm hand tools only. Strut hub knuckle spreaders are versatile and can be used on a variety of vehicles and models. Whether it's a compact car, SUV or truck, this spreader is a versatile tool that is compatible with a variety of vehicles. ENHANCED PERFORMANCE: Professionally designed, the removable steering knuckle hub improves the suspension and braking performance of the vehicle. By seamlessly splitting the knuckle hub, our tool greatly improves the handling capabilities of the vehicle. Dual-ended design: This tool features a double-ended design, making it a great addition to your tool kit. Double-ended design allows the split spreader to be used separately with the larger upper hub and the lower ball joint hub, which is not easy to break. EASY TO USE: Used to remove and install suspension struts while leaving the hub on the vehicle, designed to keep the suspension hub separate and open. This clever design keeps the suspension hubs separate and open,