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Two silver stainless steel tool shackles with D-rings

Ergodyne

Ergodyne 3790S Tool Shackle .40-.75in PK2

SKU CH-G6HE-J6GR2

Stainless-steel shackle slips on handles up to 3/8 in and tethers hand tools to 15 lb, meeting ANSI/ISEA 121-2018

  • ANSI/ISEA 121-2018 compliant tethering for jobsite safety
  • 15 lb weight capacity secures hand tools during overhead work
  • Stainless steel D-ring resists corrosion in harsh environments
  • Slip-on design fits handles up to 3/8 in diameter
  • Pack of two shackles covers multiple tool attachment points

Ergodyne 3790S Tool Shackle

The Ergodyne 3790S Tool Shackle provides a secure attachment point for hand tools weighing up to 15 lb. It fits handle diameters from .40 in to .75 in and is constructed from stainless steel for durability. The slip-on design allows quick installation on tool shafts without permanent modification. This two-pack supplies tethering points for multiple tools on the job site.

15 lb capacity for hand tools

Each shackle supports a maximum weight capacity of 15 lb, suitable for common hand tools such as wrenches, pliers and screwdrivers. The fixed D-ring offers a reliable connection point for tool lanyards meeting ANSI/ISEA 121-2018 requirements. The stainless steel construction resists corrosion in harsh environments. Heavier equipment exceeds the rated limit and requires a different tethering solution.

Upgrade from basic tether loops

These shackles replace improvised loops or zip-tie attachments that can slip or degrade over time. The slip-on shaft mounting secures tools without drilling or adhesives, preserving tool integrity. The jump is worthwhile when a compliant, reusable anchor is needed for drop-prevention programmes. Tools with handles larger than .75 in cannot be accommodated by this model.

Highlights

  • ANSI/ISEA 121-2018 compliant tethering for jobsite safety
  • 15 lb weight capacity secures hand tools during overhead work
  • Stainless steel D-ring resists corrosion in harsh environments
  • Slip-on design fits handles up to 3/8 in diameter
  • Pack of two shackles covers multiple tool attachment points

Specifications

BrandErgodyne

Questions about this item

Will the 3790S shackle fit the 0.40 to 0.75 in. handles on my existing hand tools?

Yes, the shackle accepts handle diameters from 0.40 in. to 0.75 in. and is designed for hand tools with a maximum shaft width of 3/8 in.

How can I verify the 3790S shackle meets the ANSI/ISEA 121-2018 standard after installation?

The shackle is manufactured to ANSI/ISEA 121-2018; confirm by checking the permanent marking on the stainless-steel D-ring and testing that the slip-on attachment holds firmly under a 15 lb load.

Does the PK2 pack include any tethers or lanyards, or must I buy them separately?

The pack contains two 3790S shackles only; tethers or lanyards are not included and must be purchased separately.

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