Nester Extension Clamp 50 To 102mm (1.97 To 4 "), Each

Details:

Firmly grasps glass distillation columns of varying sizes and odd-shaped glasswareconstructed of stainless steel with strong, chromed-brass band and chainoffers a 152mm (5.98 ") Long extension armthe flat thumbscrew/worm-drive design permits maximum tightening and quick removal