Yescom Heavy Duty Fender Roller Extending Wheel Arch Roller Flaring Former Reforming Tool Fully Adjustable for Auto Car Heavy duty fender roller, constructed of iron with anti-rust and corrosion-resistant painting, sturdy, durable and longer service life Designed to slowly ease the wheel arch away allowing for larger wheels to be fitted; Protects your vehicle from damage when upgrading a larger tire or installing fender flares Roller works on fender inside wheel wall for repairing collision damage to wheel arches; Increases the clearance between tire and fender Extendable Length: 20 1/2" to 25 9/16" (52cm to 65cm); Pitch: 3 7/8" to 4 15/16" (98mm to 125mm); Adjustable Angle: 0&deg; to 90&deg; Fits for most cars and light trucks, locks onto wheel mounted with 4 or 5 bolts hub