Designed for educational and creative purposes, this single pulley wheel is a reliable tool for physics experiments, classroom demonstrations, and model assembly. Its robust metal build resists wear and tear, making it suitable for repeated use in pulley block experiments or as part of a pulley system for kids. The compact design ensures adaptability across diverse applications. Features -Color:Silver -Material:Zinc alloy -Size:3.60X1.30X1.20cm/1.41X0.51X0.47in -Accurate craftsmanship: the 36 mm fixed pulley ensures precise alignment, making it a suitable fit for pulley science kits and enhancing the accuracy of physics experiments -Sturdy and reliable: made from durable metal, this pulley block resists wear, ensuring performance in physics classroom kits and science experiment tools -Lightweight design: despite its compact size, this single pulley wheel is strong enough for small lifting tasks, making it ideal for student science kits and movable pulley setups -Adaptable usage: suitable for various applications, this mini pulley is a versatile addition to pulley block lab tools, suitable for both educational and diy projects -Effortless setup: the pulley block with hook is designed for easy installation, providing a experience for users of science experiment kits and physics lab equipment Package list: 6 x fixed pulley