This listing is for two 24" Alesis Nitro leg tubes with two T-clamps.  It is 1 3/8" diameter.  These are the legs for the lightweight (Aluminum)  Nitro Mesh Drum rack.  If you need other size Alesis tubing feel free to message me.  Shipping by UPS or USPS Ground w/delivery confirmation.  I ship most packages within 1 Business Day.