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: 125 - 500 ml Int. diam.: 48 mm
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+353 (0)1 4523432
