Mechanics spring balance Portable spring scale that supports learning about weight measurement and measurement concepts. It is compact and easy to carry, making it suitable for classrooms, demonstrations, and home study. Spring dynamometer Built with strong and durable material intended for longterm use. Designed to provide reliable measurements over time in educational or experimental settings. Dynamometre The spring scale uses a spring and hanging hook, delivering rigidity and sturdiness with corrosion resistance. Built for dependable performance in repeated use. Spring balance for luggage Features clear calibrations and a transparent cylinder design, making markings easy to read at a glance. Ideal for travel planning and luggage checks. Use scenarios Education and demonstrations: students observe weight and force using a reliable, easytoread spring scale. Travel preparation: weigh suitcases to comply with airline limits and avoid surprises at the airport. Home science projects and field measurements: measure weights of various objects during experiments or outdoor activities. Key attributes Function: weight measurement with readable scales for education, experiments, and travel. Compatibility: suitable for classrooms, labs, travel luggage, and general measurement tasks. Size: compact and portable design for convenient handling and transport. Material: strong and durable construction; spring and hanging hook on the dynamometre. Performance: rigid, sturdy, and corrosionresistant components to support repeated use and long service life.