Single pulley designed for straightforward use in physics and mechanics experiments. Built from plastic and metal for consistent performance and long term durability. Lightweight and compact for easy transport and storage. Key benefits Easy setup and operation: simple design allows quick integration into laboratory benches, classroom demonstrations, and handson experiments, reducing setup time and user error. Durable construction: combined plastic and metal components resist wear from repeated use, providing reliable performance across many experiments. Versatile application: supports a wide range of mechanics and physics demonstrations where pulleys are required, from basic direction change to experiments on forces and motion. Portable and compact: small, lightweight form factor makes it convenient to carry between labs or classrooms and to store when not in use. Important attributes Function: single pulley for changing the direction of a line of action and for basic mechanical advantage demonstrations. Material: plastic housing with metal components for strength where load bearing is required. Compatibility: works with standard lab strings, cords, and weights and fits common experimental rigs and stands. Size and weight: compact, lightweight construction for tabletop use and easy handling. Practical use scenarios Classroom demonstration of force direction: quickly show how a pulley redirects force in practical, visible experiments. Mechanics lab experiment: use in setups that measure tension, friction, or simple mechanical advantage with standardized weights and cords. Science fair project or portable demonstrations: transportable design makes it easy to bring a reliable pulley to outreach events or field demonstrations. Simple, reliable, and suited to repeated educational use where a single pulley is required.