Check the listing for details. Mapex MSSTC1EB SONIClear Tom Holder Black. Condition: New. Listed at 53.99 USD. The SONIClear Tom Holder is the standard attachment mechanism for all Saturn V rack toms. FEATURES: The low- mass bridge preserves vibration in the head and shell, enhancing resonance and increasing tonal clarity. The spring-hinged adjustable clamp with position markings accommodates tube diameters from 5/8" to 1.25" and makes set up easy and consistent. Omni-ball arm adjustment allows toms to be positioned at any angle and inverted for convenient bottom head tuning.