Greenhouse Hand Crank Winch Roll Up Lifting Device for Breeding Greenhouses

Product DescriptionDescription:【Material】Greenhouse hand crank winch is made of quality iron material, which is and wear resistant, can be used for a long time.【Features】Self-locking and the automatic brakes hold the side walls in place.【Function】Sidewall manual crank winch can help your greenhouse side and roof ventilation flourish and creates a better environment for plants.【Easy to Install】Compact size, low noise and easy installation, setting the limit on ventilation 【Application】Suitable for breeding greenhouses, flower greenhouses, connecting film greenhouses, fruit greenhouses.Specification:Material: IronSize Chart:30cm/11.81inchPackage Includes:1 Piece Greenhouse Hand Crank WinchNote:Please allow slightly errors due to manual measurement and different monitors.