Stabilizing/Weighting rings, lead LAB-Rings to stabilise glassware and plasticware on shakers or to immerse in water baths. Vinyl-coated lead rings will not mark or scratch benchtops and labware.
Product Specification: Product Type: O-Shape For flasks: 5 - 10 ml Int. diam.: 18 mm
+353 (0)1 4523432
