Transform your stationary conical into a mobile one with these easy to assemble locking wheels! Each wheel secures to either the conical frame, or our optional Leg Extensions, with standard 1.5 inch tri-clamps. All three casters feature foot-operated locks to keep the fementer stable. Our wheels are ideal for use on smooth, flat surfaces. Set comes with (3)Casters, (3) tri-clamps, and (3)gaskets.