4PCS Manual Greenhouse Roller Sleev - Heavy Duty Steel Coupler - Side Vent Crank Attachment - Replacement Part for DIY Film Winder Raising Mechanisms

DescriptionDesigned as a universal manual roll-up sleeve and steel roller crank accessory for greenhouses, this roll up shaft coupler and hand crank extension sleeve offers precision handling of the film roller crank. Suitable for greenhouse film roller replacement and roll up wall system connector applications, it supports fast assembly, long-term reliability, and optimal growing conditions.Features-Color:Silver-Material:steel-Size:5.30X2.60X2.30cm/2.09X1.02X0.91in-LaborSaving Mechanism: The manual reel sleeve for greenhouse film simplifies daily processes, significantly reducing workload while improving convenience-Stable Performance: Utilizing a film roller steel sleeve, this unit keeps your roll up drum connector securely in place for stable and consistent operation every time-Versatile Solution: This steel roller sleeve can serve as a green house crank replacement sleeve or a greenhouse winder sleeve, fitting many standard systems-Quick Replacement: Designed for DIY growers, roller tube accessory offers an easy to swap with as a film roller replacement part or manual sleeve-Professional Results: The roll up gear sleeve allows for precise control of film tension and coverage, aiding growers in creating optimum and reliable growing conditions

• LaborSaving Mechanism: The manual reel sleeve for greenhouse film simplifies daily processes, significantly reducing workload while improving convenience
• Stable Performance: Utilizing a film roller steel sleeve, this unit keeps your roll up drum connector securely in place for stable and consistent operation every time
• Versatile Solution: This steel roller sleeve can serve as a green house crank replacement sleeve or a greenhouse winder sleeve, fitting many standard systems
• Quick Replacement: Designed for DIY growers, roller tube accessory offers an easy to swap with as a film roller replacement part or manual sleeve
• Professional Results: The roll up gear sleeve allows for precise control of film tension and coverage, aiding growers in creating optimum and reliable growing conditions