- Test Tube Clamp - Universal Labs Clamp Function and benefits: a teaching instrument that helps cultivate interest in science; provides a secure hold for test tubes during demonstrations and student experiments. Compatibility and build: designed for common classroom test tubes with reliable clamping action; easy to use in everyday lab activities. Use scenarios: classroom demonstrations, student practice experiments, science fairs or lab tutoring sessions. - Flask Clamp - Universal Beaker Clamp Function and benefits: suitable for securing flasks, beakers, and crucibles during scientific experiments; keeps glassware stable for accurate results. Compatibility and build: universal clamp that fits typical flask, beaker and crucible sizes used in standard lab setups. Use scenarios: heating and mixing tasks, routine experimental procedures, instructor demonstrations. - Beaker Clamp - Experiment Universal Clip Function and benefits: made by iron material with high hardness for long service life; durable clamp for repeated use. Compatibility and build: iron construction provides reliable performance for common beakers and related glassware. Use scenarios: long-term classroom projects, repeated lab experiments, workshop sessions. - Laboratory Flask Clip - Experiment Equipment Function and benefits: iron material designed for long time use; robust and dependable for ongoing laboratory work. Compatibility and build: durable iron construction suited to securing laboratory flasks and associated equipment. Use scenarios: routine lab setups, ongoing experiments, equipment maintenance and setup in teaching labs.