For ball-and-socket or O-ring glass joints in universal use for quick, convenient and safe mounting and dismantling of apparatus Strong, linear spring closing action Unique forked-shaped jaws provide uniform compression for safe, leak-free seals Screw-locking device with spring for…

Firmly grasps glass distillation columns of varying sizes and odd-shaped glassware Constructed of stainless steel with strong, chromed-brass band and chain Offers a 152mm (5.98") long extension arm The flat thumbscrew/worm-drive design permits maximum tightening and quick removal

Stainless steel worm-drive screw clamps have large, flat thumbscrews for fast and easy adjustment. Four sizes to accommodate 64 to 165 mm diameter apparatus.