Right Height Table Adjusters end the strain of leaning over to reach tabletops! Raise tables up to 12" with cones and cylinders. No more backaches folding laundry, cutting fabric, wrapping gifts, doing woodwork. Cone indent is 1-1/2" diameter, 2" deep. Specify height: 4" ht. (4 cones); 8" ht. (4 cones, 4 cylinders); 12" ht. (4 cones, 8 cylinders).