Cork Support Ring for Round Bottom Flasks, 80mm Outside Diameter by GSC International Inc.

Support round bottom flasks safely with the GSC Cork Support Ring, size #1. Designed to protect table surfaces while providing stable support, this cork ring fits flasks ranging from 10ml to 100ml. Measuring 30mm tall with an 80mm outer diameter, its central hole has a 30mm inner diameter to securely hold flasks in place. Ideal for chemistry labs, classroom demonstrations, or STEM experiments, this cork support offers a simple, durable, and reusable solution to keep glassware stable during experiments. Sold individually.

Key Features

• Supports 10–100ml round bottom flasks
• Cork material protects lab surfaces and glassware
• Size #1 – 30mm tall × 80mm outer diameter
• Inner hole: 30mm; outer hole: 60mm
• Durable and reusable