![Amazon.com: SoB Block and Tackle Pulley System for Lifting Heavy Objects - 4000LB Breaking Strength 65 Feet of 3/8" Rope - 7:1 Lifting Power - Heavy Duty Rope Hoist Pulley System for Amazon.com: SoB Block and Tackle Pulley System for Lifting Heavy Objects - 4000LB Breaking Strength 65 Feet of 3/8" Rope - 7:1 Lifting Power - Heavy Duty Rope Hoist Pulley System for](https://m.media-amazon.com/images/I/71CrBVXKJ-L.jpg)
Amazon.com: SoB Block and Tackle Pulley System for Lifting Heavy Objects - 4000LB Breaking Strength 65 Feet of 3/8" Rope - 7:1 Lifting Power - Heavy Duty Rope Hoist Pulley System for
![2,500+ Pulley Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Pulley system, Rope pulley, Pulley icon 2,500+ Pulley Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Pulley system, Rope pulley, Pulley icon](https://media.istockphoto.com/id/1187858388/vector/science-experiment-on-force-and-motion-with-pulley.jpg?s=612x612&w=0&k=20&c=7IChXYiMRSyO3qel6NL9b7rwYLdLcra9nEI-i8vwrLg=)
2,500+ Pulley Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Pulley system, Rope pulley, Pulley icon
![Differential Mechanism for four fingers: Two pulley-block elements act... | Download Scientific Diagram Differential Mechanism for four fingers: Two pulley-block elements act... | Download Scientific Diagram](https://www.researchgate.net/publication/342640840/figure/fig2/AS:944075276562432@1602096494312/Differential-Mechanism-for-four-fingers-Two-pulley-block-elements-act-as-two-separate.png)