ADJUST TO YOUR CHANGING NEEDS: With the adjustable height options that allow you to set up this double tom drum stand according to your changing needs; you can easily raise the dual tom drum mounts from 29 inches to 57 inches or even add the arm mounts to the bottom pipe for even greater versatility. The tom drum pipe mounts will fit all standard 7/8 tubing. Specifications: Bottom pipe diameter: 25 mm 1-YEAR WARRANTY All products we sell from laptop stands, recording studio equipment, disc jockey accessories and dj stands, to stage equipment and stage lighting packages, and everything in between comes with our exclusive, 30-day money back return policy and a premium 1-year warranty! All you have to do is contact us within 30 days to request a return, or within 365 days from purchase to request a warranty replacement.