Feature

●PVC-coated weight ring for stabilizing flasks or cylinders in water bath.
●Set of 5 rings.
●Coated with soft PVC plastics to avoid damaging glassware.
●Single ring for cylinders to 3L flask. Use multiple rings for bigger flask and for extra stability.
●ID: 30mm / 1.2", 48 mm / 1.75”; 56 mm / 2.25”; 61 mm / 2.5”; 74 mm / 2.9”. Weights: 5 oz to 3 lbs.


Description

PVC-coated weight ring for stabilizing flasks or cylinders in water bath. Set of 5 rings. Coated with soft PVC plastics to avoid damaging glassware. Single ring for cylinders to 3L flask. Use multiple rings for bigger flask and for extra stability. ID: 30mm / 1.2", 48 mm / 1.75”; 56 mm / 2.25”; 61 mm / 2.5”; 74 mm / 2.9”. Weights: 5 oz to 3 lbs. Rings only. Color maybe different. Glass flask not included.