Heavy Wall and stainless steel Dolly Track. Heavy wall is manufactured from 1-1/2" diameter steel tube and is chrome plated to protect it from negative environmental effects.
Be advised that most dollies will not navigate the 10' circle without the addition of a multi-wheeled device such as the Willy Widgets 32 Channel
Eight pieces of 8' 45 degree are required for 20' diameter circle.
All Matthews Dolly Track is rated to a maximum payload of 1200 Lbs (545kg) at the industry standard of 24.5" center to center track width.