Synthetic Slings

Twin-Path® Synthetic roundslings for heavy lifting by Slingmax® Rigging Solutions are the only synthetic roundslings available that come equipped with the Check-Fast® External Warning Indicator, Covermax® Cover, and Rifled Cover® technology. Slingmax has been a trusted supplier of high performance synthetic roundslings to the industrial and heavy lifting markets since 1986. Think Twin-Path slings for all your heavy lifting and rigging needs.

NOTE: Experts agree that over 80% of synthetic sling accidents are caused by cutting; always be SURE you have the correct Sling Protection for your specific lift!


Twin-Path® synthetic roundslings have Check-Fast Inspection overload indicators, Covermax Covers for superior abrasion resistance, and inner red covers as an aid to inspection. They are approximately 10% of the weight of a steel sling and are repairable.

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Green Twin-Path synthetic round sling shown coiled against a white background, with a bright orange Check Fast tag and reinforced Covermax cover for heavy-duty lifting and rigging applications.

The Twin-Path Adjustable Bridle (TPXA with K-Spec fiber core yarn or TPA with polyester core yarn) is a two-leg bridle made with a Twin-Path roundsling and adjustable bridle ring. When tension is applied to the Twin-Path Adjustable Bridle, it self-adjusts until the lifting point is over the center of gravity (COG). This allows the two legs to be adjusted for a level lift without the need for custom slings or hardware.

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Twin-Path adjustable bridle with two green synthetic roundsling legs, red hooks on each end, and an adjustable bridle ring at the top for balanced lifting and rigging applications.

The Twin-Path Field Taper is a removable, repositionable wrap that reduces the width of TPXCF slings onsite. This is a tool that can be utilized to fit a sling into smaller openings without sacrificing sling capacity.

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Close-up of a green Twin-Path synthetic roundsling with a black Field Taper wrap, used in lifting and rigging applications.

The Check-Fast Inspection System is designed to improve job site safety. The Check-Fast External Warning Indicator (EWI) provides a criteria for pass/fail inspection when the internal load-bearing core yarn may be damaged. The Check-Fast Inspection System can also indicate ultraviolet (UV) light degradation, fiber-on-fiber abrasion, fatigue, and severe overload.

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Close-up of a green Twin-Path synthetic roundsling with the orange Check-Fast Inspection System tag visible, used to ensure safe lifting and rigging applications.

Rifled Cover Technology is a major patented breakthrough only available on Slingmax Twin-Path high-performance fiber roundslings. Rifled Cover Technology works like the inside of a rifle barrel, where the bullet spins as it leaves the muzzle of the gun. The helical winding of the core fibers significantly improves strength and efficiency.

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Close-up of a Twin-Path synthetic roundsling section showing Rifled Cover Technology with helical core fiber winding and a green CoverMax outer cover for efficient lifting and rigging.

  • Check-Fast Inspection System provides a pass/fail (Go/No-Go) inspection. If overloaded the External Warning Indicator disappears before the sling fails.
  • The separate inner cover shows red for warning that the sling is damaged and should be taken out of service for repair.
  • Twin-Path Slings are repaired with patches. Each sling is proof tested after any type of repair.
  • Older slings may have two kinds of indicators. Tell-Tails warn of overload and Fiber Optics warn of core yarn damage.

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Two images showing a green synthetic lifting sling attached to a metal hook, demonstrating proper rigging connection for lifting applications.

Helix high performance fiber roundslings are narrow width heavy lift slings designed to fit in lifting hardware with limited space.Helix lifting slings utilizes K-Spec core fiber, the strongest and most trusted roundsling core yarn on the market.

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Close-up of a Helix heavy lift braided roundsling secured around a metal ring, used for heavy-duty lifting and rigging applications.

The ONYX sling is a lightweight, high-performance roundsling engineered with a 100% HMPE fiber core. Built to enhance safety, improve productivity, and simplify rigging, ONYX is the go-to solution for applications where low weight, high strength, and long-term durability are essential.

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Black ONYX roundsling shown in an endless loop configuration, designed for lifting and rigging applications.

Single-Path synthetic roundslings have Check-Fast Inspection overload indicators,Covermax Covers for superior abrasion resistance, and inner red covers as an aid to inspection.

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Close-up of a green Single-Path synthetic roundsling featuring a Check-Fast inspection overload indicator tag for safe lifting and rigging applications.

RecoveryMax Pro is purpose-built for the toughest industrial recoveries—from extracting mining trucks mired in mud to pulling dozers and loaders stuck in soft ground. Powered by Slingmax high-performance O-Spec HMPE core yarn, it delivers immense strength at a fraction of the weight of steel chain or wire rope, making every recovery faster, safer, and easier to execute.

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Yellow RecoveryMax Pro tow strap with reinforced black looped ends, designed for heavy-duty vehicle recovery and pulling operations.

The Sparkeater sling (SE) is the sling to use when the job site is in a hot environment (up to 300°F or 150°C). These slings are made with high-temperature core yarns and a high temperature cover.

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Yellow Sparkeater synthetic sling coiled with identification tag visible, designed for lifting in environments where heat resistance is required.

Rigging Handbook

Fill out the form below to download a digital copy of our 2020 Rigging Handbook.

Green Twin-Path synthetic round sling shown coiled against a white background, with a bright orange Check Fast tag and reinforced Covermax cover for heavy-duty lifting and rigging applications.

SYNTHETIC SLINGS

Slingmax has been a trusted supplier of high performance synthetic roundslings to the industrial and heavy lifting markets since 1986. Think Twin-Path® slings for all your heavy lifting and rigging needs.

Yellow equalizer block with a metal hook attached to a green Twin-Path synthetic roundsling, shown hanging against a white background in a lifting configuration.

RIGGING ACCESSORIES

Explore our full range of specialty rigging accessories engineered to solve complex lifting challenges, from balancing loads to testing connection points to improving on-site load control. This includes solutions like the Synthetic Equalizer Block and Pad Eye Tester.

Black Gator-Flex wire rope grommet shown in an endless loop configuration , used for heavy lifting and rigging.

WIRE ROPE DESIGNS

Slingmax multi-part wire rope slings are designed for increased capacity and excellent flexibility. The three-part Tri-Flex, nine-part Gator-Laid, and nine-part Gator-Flex grommet have excellent D/d ratios and can be fabricated in shorter lengths.

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