Optec has a disassabile system in Azimuth and height for large telescopes.
The Pound weighs 2, 7 kg, and is capable of supporting optical tubes up to about 13 kg of weight (for example a schmidt cassegrain from 11? or a big refractor)
The system is disassabile in AZ to 9″ and Alt for 4″ with two convenient micrometric knobs.
On one side of Libra is a losmandy bar while the other side a losmandy clamp, This allows you to fit any tube.
Manufacturer website: www.optecinc.com