This manual crank handle set is designed for effortless operation of chain-style window openers, awnings, roller shutters, and sunshades. Crafted with materials, it ensures smooth and reliable performance. Its ergonomic design provides a comfortable grip, making it easy to open and close windows or adjust coverings in various settings. Features -Color:Assorted Color -Material:Zinc alloy -Size:23.00X16.00X2.00cm/9.04X6.29X0.79in -Ergonomic design: the hand crank handle is designed with user comfort in mind, ensuring effortless operation and reducing strain during prolonged use -Versatile compatibility: suitable for various window types, including residential and commercial spaces, providing a reliable solution for manual window control - construction: made from zinc alloy materials, this crank handle ensures performance and resistance to wear and tear -Easy operation: operates quietly, making it ideal for environments where minimal noise is essential, such as offices or bedrooms -Good functionality: suitable for outdoor or emergency use, this manual crank handle eliminates the need for electricity, offering reliable performance anytime Package list: 1 x hand-crank window opener