I have it listed here on the forum as well as on Reverb and Facebooks Marketplace
I used Velcro to attach it to my Hudson witch has square legs.
The white PVC clip with bolts allows you to attach it to amost standard round leg tables
“ Model 7A Super Sustain Match Box is a line buffer/driver that offers an adjustable gain of 0 dB to 15.5 dB with ultra low distortion (.03% THD) and signal to noise characteristics. The 7A’s easily accessible full range tone control allows you do dial in just the right eq. The Matchbox 7A clips to the leg of your steel guitar for convenience access and tone tweaking during performance.
The 7A’s battery life is rated up to one year based on five hours per day use, six days per week when using the convenient battery switch which disconnects the battery without disconnecting your instrument cables.
The 7A Has become a staple among steel guitar players worldwide! 7A Super Sustain Match Box”
Asking price is $185.00
Free shipping to Anyplace, USA
