Laboratory Support Rings — Iron Retort Rings and Open Retort Clamps Key benefits Securely holds beakers, flasks and funnels: provides a stable platform for heating, filtering and other bench-top procedures. Durable iron construction: built for long life and repeated use in teaching and professional labs. Multiple sizes & extension options: choose the ring diameter that fits your glassware; extension rings available to raise height when needed. Open-ring design for fast access: the open retort clamp lets you place or remove vessels quickly and safely — useful in classroom demonstrations and timed experiments. Lightweight and portable: easy to carry between workstations or to field demonstrations, suitable for students and instructors. Main features Function: support ring for laboratory beakers and retorts; also used as a retort clamp/holder. Material: iron for durability and reliable support. Compatibility: fits standard retort/retort stand setups; works with common laboratory stands and clamps. Variants: available in several ring sizes and in extension-ring configurations to meet different setup requirements. User levels: suitable for beginners, students, and professionals; recommended for school labs and teaching environments. How this solves common problems Prevents unstable setups that can cause spills or breakage by giving glassware a firm, level support. Speeds workflow in classroom and lab settings with an open ring design that allows quick placement and removal of vessels. Adapts to different experiments and glassware sizes through selectable ring diameters and extension rings, reducing the need for improvised supports. Typical applications School and teaching labs: support beakers and flasks during demonstrations or student experiments where quick access and safety are priorities. General chemistry bench work: hold glassware over heat sources or beneath condensers and funnels during filtration and heating. Field demonstrations and portable setups: lightweight and easy to transport for off-site teaching or practicals. What to consider when ordering Select the ring diameter that matches your most common vessels to ensure a secure fit. Choose an extension-ring option if you need extra clearance above the stand or heat source. Confirm compatibility with your existing retort stand or support rod size. Practical, durable, and easy to use — these iron laboratory support rings and open retort clamps provide reliable stability for a wide range of educational and professional lab tasks.