Edgerider wheels have been specifically engineered and designed for quilting machines. Most long arm and mid arm machine manufacturers buy their wheels from other industries. Why comprimise on quality? You will not believe the difference these wheels will make to your quilting experience. We offer wheels for Gammill, APQS and HQ Sixteen machines. If you don't know the exact wheels you require please visit the Edgerider wheels website - www.edgeriderwheels.com and answer the questions in the product selector section.