The all-electric Super Jammer can handle heavy weights. It now wants to break the Guinness record. It has already proven that ...

A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to lift a weight. By using multiple pulleys in a system known as a ...

The locking mechanism provides added safety, and the pulley system is strong enough to lift and store even heavy items. The Extreme Max Kayak Hoist System was easy to install, but it did take some ...