Materials: Table top: LINNMON $16 Legs: LINNMON/ ADILS 4 @ $3.5 per leg This desk uses the LINNMON as table top and the ADIL legs. It uses all 1.5 inch PVC tube and fittings and only requires cutting the tubes. The metal table legs fit perfectly into the 1.5 inch PVC pipe. See more of the treadmill desk: 1st gen and 2nd. ~ Kirk Buy treadmill desks.