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Webbing slings consist of two types. Flat Webbing Slings: These slings are light, flexible, and are generally used in situations where the load can be damaged by a heavy chain or wire rope slings or where companies wish to improve the safety of the workplace by using lighter, easier to use lifting slings. Round /Endless Webbing Slings: These slings have the benefit of being able to turn the sling around to share the wear and tear at lifting points. Endless slings are flexible and easy to use and can be made in a variety of ways.
The original primary use for pulleys was to make it easier to lift heavy items. A pulley is a simple machine made with a wheel and a rope, cord, or chain. Pulleys can be found everywhere to help make tasks easier. In addition to lifting things, pulleys can be used singly or with many pulleys working together to transport people or things. They can also be used to provide power from one shaft to another.
Rope is made by twisting or braiding multiple strands or yarns together to form a stronger and more durable material. Rope has long been an extremely important tool for humans, as it’s used for tying, binding, pulling, dragging, and lifting. The art of making rope is very old, but today, many people would much rather go to a hardware or outdoor store and purchase a length of rope than make it by hand, but it’s nonetheless a very useful skill to have. Rope can be made by hand or with the help of a machine, and it can be constructed from many materials, such as natural plant fibers, plastic, paper, strings, wires, or basically anything else that can be cut into strips.
A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links.
Wire rope is a complex mechanical device that has many moving parts all working in tandem to help support and move an object or load. In the lifting and rigging industries, wire rope is attached to a crane or hoist and fitted with swivels, shackles or hooks to attach to a load and move it in a controlled matter. It can also be used to lift and lower elevators, or as a means of support for suspension bridges or towers.
Snaps—also known as snap hooks or spring hooks—are hooks with a spring snap in their ends to prevent the accidental unhooking of a rope, cord, or other target line. Snaps are a common but essential component in a huge range of industrial applications, from dog leashes to theatrical lighting.
There are many types of hooks with chains, but a grab hook in particular will look like this: It’ll have thick beefy sides and, critically, the opening in the middle will have straight sides and there is a consistent width from the top to the bottom. The grab hook will have a specific size stamped on it — in this case, 5/16″. It is worth noting that the width of the slot in the hook will be just a tiny bit wider than the stamped size. That’s the key to how this works.
Used as a lifting or securement point, eye bolts are one of the most popular types of rigging hardware. Just like slings, sling hooks, and shackles, eye bolts come in a number of different designs and configurations. Eye bolts can be used as a connection point for rigging, anchoring, pulling, pushing, or hoisting applications.
A chain binder is a tool used to tighten chain to secure cargo for transport. When shopping for chain binders, there are commonly two styles: the ratchet binder and the lever binder.