5 to 1 pulley system for sale, brand-new and used.

Pulleys and Belting, by the staff of International Correspondence Schools, published by International Textbook Co., Scranton, PA, 1929, ICS # 2448, Edition 1. 5 1/2 x 8 1/2 softcover, 40 pages. Reprinted in 2011 by Nation Builder Books, Mebane, NC.

Mechanical advantage of Block and tackle system is about saving labor when dragging or hauling.

Mechanical advantage of Block and tackle system is about saving labor when dragging or hauling.

Tree Climbers Block & Tackle,4 Pulley System,Generates 5:1,Works w/ 1/2" Lines

Z-rig is always an ideal choice for rescue, arborist, any hauling and other mo

Z-rig is always an ideal choice for rescue, arborist, any hauling and other mo

Large aluminum alloy single pulley with rotating side plates for easy placement anywhere along the rope. Steel ball bearings are the best for hauling efficiency and durability. For hauling big load, large pulley is much more better and easier.

Mechanical advantage of Block and tackle system is about saving labor when dragging or hauling.

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4.5cm Horizontal Pulley w/Cast Iron Table Clamp