Resonance Apparatus is an SSI India product in the PHYSICS category. Key specifications include SKU: SSI.PHY.WAVE.010. 40.75" tall long and a 1" diameter. Metal Base measures 10" x 11" with clamp able edges. 41" 3/4 Comes with 2 ring clamps 1.25" and 3" inside diameters. Metal Vessel measures 3 "