This is a single piece of 1-1/4" Speed Rail made of 6061-T6 Aluminum. Your choice of between a variety of sizes ranging as low as 2' to 20' sections. This is schedule 40 aluminum tubing, very common on movie sets because it has so many uses. Filmtools stocks a variety of fittings and accessories for this size of Speed Rail (see below). This size speed rail can also be used as track with some dollies such as the Dana Dolly.
The Speed Rails have an interior diameter of 1-1/4".
Please Note: When buying speed rail for the Dana Dolly, two sections of (approximately equal length) speed-rail are required.