- Hand crank roll-up unit with gear ratio of 4:1 can roll up or down the greenhouse plastic film or livestock curtain for up to 328ft in length (applicable length varies with materials)
- Manual roll-up has a built-in self-locking device that helps stop the rolling during opening or closing as you like
- Hand crank film winder features built-in premium core components made of chrome alloy steel that provides high strength, corrosion resistance, wear resistance, and heat resistance
- Greenhouse roll up features an extra hole for mounting the non-slip handle, allowing use in limited space
- Hand crank film roller also features high-quality pulleys that can roll smoothly to save labor, cast aluminum housing with double-layer coating, and upgraded fittings
NOTE
-Please note that the applicable length is max. 328ft for plastic film and max. 196ft for thermal insulation cotton, the specific suitable length is subject to the material.
SPECIFICATION
-Gear Ratio: 4:1
-Pipe: 3/4” ID, 1” OD
PACKAGE
-1 x Greenhouse Roll Up Unit