Stellar Scientific carries flask clamps for these shaker families:
Labnet (211DS/311DS)
Shel Lab (SSI10/10LR, SSI3/SSI5)
And the full line of patented Magi-Clamp individual and rack based magnetic clamps to outfit your Benchmark Scientific incushaker, orbishaker and other shaking devices.
We also have platforms designed to accommodate unusual sized vessels and size specific flasks.