Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard Review (2026)

35416 flex-nopac twin-leg shock absorbing lanyard review: the short answer

Short answer: Affiliate disclosure: As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you. Commissions do not influence our review.

Affiliate disclosure: As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you. Commissions do not influence our review.

Reviewed by Steven Eaton, WC Safety Editorial

The Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard is a lanyard from Elk River, listed. This review restates what the product page documents, places it in its fall protection lane, and points to the ranked guides for the head-to-head field.

What the Product Page Documents

Published July 16, 2026 · Last updated July 27, 2026

The Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard is an OSHA 1926.502 and ANSI Z359.13 compliant energy absorbing lanyard from Elk River's popular NoPac series. Elk River has manufactured fall protection equipment in Roanoke, Virginia since 1966 — the NoPac and Flex-NoPac lines are trusted on commercial construction, bridge work, tower climbing, and industrial maintenance job sites across North America. Model 35416 features 6 ft fixed length with 1-1/2 in. polyester web and Elk River's proprietary Z-hardware connectors.

The Z-snap and Z-rebar hook system uses a double-locking mechanism engineered to prevent accidental opening during normal work movements — the gate requires two deliberate actions to open, exceeding OSHA's self-closing, self-locking requirement under 1926.502(d)(2)(vi). The NoPac shock absorber is rated to limit maximum arresting force to 900 lb or less, meeting ANSI Z359.13 requirements for workers up to 310 lb.

Elk River's Z-hook system includes two primary connector styles: the Z-snaphook and the Z-rebarhook. The Z-snaphook is a self-locking snap hook with a double-action gate suitable for anchor rings, D-rings, and structural connectors. The Z-rebarhook is specifically designed to grip vertical and horizontal rebar, scaffold pipe, and structural members where a snap hook cannot properly seat — the hook's geometry wraps securely around round stock without the risk of roll-out that can occur with standard snap hooks on non-flat surfaces.

Where It Earns Its Slot

The 35416 is Elk River's Y-leg answer for structure that snap hooks cannot swallow: wide-opening aluminum carabiners on each leg, sized to close around bar, angle, and members that defeat standard hardware — with Flex-NoPac energy absorption built into the web itself rather than hanging in an external pack.

Its single-leg sibling, the 35477, takes the same no-pack philosophy to an elastic lanyard that stays out from underfoot. Between them the choice is the classic one — continuous 100% tie-off across structure versus slim convenience at a single anchor — with Elk River's internal-absorption design common to both.

Honest Limits

Aluminum carabiners are light and wide but demand gate discipline: check gate action and locking function at every donning, because a sprung gate on a wide-mouth carabiner is a silent disconnection. Y-leg rules hold — park the idle leg properly, alternate legs at transitions — and clearance runs the full energy-absorbing math per the fall-clearance guide.

Pros and Cons

Alternatives in the Same Lane

• 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — A
• 3M DBI-SALA ExoFit X100 Construction Positioning Harness — 3
• 3M DBI-SALA ExoFit X100 Comfort Vest Fall Protection Harness
• 3M DBI-SALA ExoFit X200 Comfort Vest Safety Harness — Padded
• 3M DBI-SALA ExoFit Harness X200 — Comfort Construction Posit
• 3M DBI-SALA Delta 1102000 Full Body Harness — Vest-Style, 42
• 3M Protecta First AB17540 Construction Harness — Back & Side
• 3M Protecta Harness (PRO 1191260) — 3 D-Ring Full Body Harne
• 3M Protecta Full Body Harness for Welders — 1191370 Hot Work

Fall Protection Guides

• Best Fall Protection Kits
• Best Vertical Lifelines & Rope Grabs
• Best Suspension Trauma Straps
• Best Carabiners & Connectors
• Construction Site PPE Guide

Browse by Category

• Fall Protection
• Lanyards & Lifelines
• Carabiners & Connectors
• Vertical Lifelines & Rope Grabs
• Tool Lanyards
• Hard Hats

The Bottom Line

Rated 4.6/5. For traverse work over heavy structure where standard snap hooks give up, the 35416's wide carabiners plus internal absorption make a genuinely practical package. Single-anchor work with snag concerns belongs to the 35477 — same design language, one leg fewer.

Primary sources for this page

The wording behind this page sits in OSHA 29 CFR 1926.501, OSHA 29 CFR 1910.132, NIOSH Personal Protective Equipment.

Why trust this page?

Why trust this page? Every figure on it is taken from the published text of the standard or the manufacturer document named beside it, not from a secondary summary. WC Safety is an independent PPE review site: we hold no inventory and sell nothing directly, so there is no product we need this page to favour. Where sources disagree, the page says so and plans on the more conservative figure rather than picking one.

Methodology: how this page is maintained

Methodology. Figures are read from the primary source and re-checked whenever the underlying standard or a manufacturer document changes. No laboratory testing is performed for this page. Where a figure is not published, the page states that rather than estimating it, because a plausible invented number is more dangerous than an absent one.

More questions on this topic

Why wide-opening carabiners instead of rebar hooks?

Gate width plus weight: large aluminum carabiners swallow structure that standard snap hooks cannot, at less carried weight than steel rebar hooks. The trade is gate maintenance — aluminum gates demand a function check at every use.

What is Flex-NoPac energy absorption?

Energy management integrated into the webbing rather than an external tear-pack — the lanyard presents a continuous profile with nothing to snag, and arrest performance stays inside the ANSI Z359.13 envelope. Inspection shifts to the web itself: elongation and surface condition.

Does a Y-leg change the clearance calculation?

No — each arrest is a single leg's arrest: length plus deployment plus harness stretch plus worker height plus margin. What the second leg changes is the transitions, which drop to zero unprotected seconds when leg-alternation is trained.

How do I inspect internal-absorption webbing?

Against its original length and surface: elongation, glazing, tearing, or stitch disturbance retires it. With no pack window to consult, the web is the evidence — and where evidence is ambiguous, the lanyard loses the argument.

More questions on this topic

How much does the Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard cost?

at the linked listing — prices track the live page, and configuration choices there can shift the number.

What does the Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard listing actually document?

The Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard is an OSHA 1926.502 and ANSI Z359.13 compliant energy absorbing lanyard from Elk River's popular NoPac series. Elk River has manufactured fall protection equipment in Roanoke, Virginia since 1966 — the NoPac and Flex-NoPac lines are tru…

What are the alternatives to the Elk River 35416 Flex-NoPac Twin-Leg Shock Absorbing Lanyard?

The sibling lanyard options linked in this review, ranked head-to-head in the fall protection guides below — start with the buyer's guides for the field view.