Bootstrap Farmer's Greenhouse Sidewall Roll-up Hand Crank Exclusively sold by Bootstrap Farmer - a long lasting and easy way to roll up your greenhouse sidewalls. Our winch is made with a durable stainless steel handle and a full plastic resin casing. The manual hand crank is engineered to easily rollup a 300 foot long sidewall. Manual Greenhouse Winch 4:1 Gear ratio allows you to effortlessly roll up greenhouse sidewalls Allows you to properly control the ventilation and temperature of your greenhouse Rolls up a 100 foot long Greenhouse with very minimal effort. Designed to handle up to 300 foot greenhouses. Hoop House Hand Crank Handle made from weather and rust resistant stainless steel Plastic resin casing provides superior longevity even in harsh environments Winch easily connects to sidewall with 3/4" EMT conduit, found at most hardware stores. Also accepts 3/4" guide rail. For easy guide rail installation, first install sidewall, then drive guide rail at least 24" into the ground and bend rail surface portion to the shape of the greenhouse, up to the hipboard. More About Us We are a small family farm in Eastern NC where we grow our own produce for a farm-to-food truck concept. We grow lettuce, kale, chard, microgreens, tomatoes, peppers, onions, you name it. Our passion is providing our local community with healthy and sustainably grown food.