099A RD65, Friction drive test tube head, with 30 clips for 10-18mm tubes and 16 clips for 20-30mm tubes, for Rugged Rotator

Glas-Col Part Number 099A RD65, Friction drive test tube head, with 30 clips for 10-18mm tubes and 16 clips for 20-30mm tubes, for Rugged Rotator