Round sling rigging Starting in 1977, I&I Sling was the first rigging supplier to begin fabricating and selling Slingmax wire rope designs. Learn: Industry designation: A polyester sling is also called a round sling Made from premium polyester webbing, these slings are known for their strength, durability, and resistance to abrasion, cutting, and chemicals. Polyester Round Sling Rigging. Web Slings:Best for general lifting, where flat support and load protection are priorities. Some styles, such as the eye and eye sling and the endless sling, are available in both nylon and polyester. Fewer components to inventory and carry. lex . depending on the application. 5FT Sling Strap Rigging Polyester Endless Lift Sling for Hoist Heavy Duty Objects Heavy Duty Poly Lifting Sling【3T-2M】 4. Lift-All. judymnqrgdnlrpvnviqhunduwptttamhmvizpjcrasiftcyejcoqqdfkpmjbcryitrzzqlrz