We love accessories because they give you more options, features, style and pizzazz. They also make life a lot easier, smoother and convenient. Make your NOVA all about you, your options and your lifestyle by adding great accessories. Our Large Base Quad Cane Tips keep you safe and sturdy. Fits 5/8 shaft. 1.125w x 1.125d x 1.125h Fits item # 5610/5611/5612