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Arbsession

    Harken Radius Ring

    Available in 2 Sizes

    As low as$15.50

    Designed to meet the demanding requirements of arborists and professional riggers, these Harken (Formerly SMC) Radius rings feature an ultra-smooth interior radius for smooth, predictable movement on a harness bridge or as part of a friction saver.

    The best-in-class strength ratings are a testament to the quality of the material and production techniques. Power users will appreciate the Radius Rings superior durability and toughness. Because these rings cannot accidentally open, they are ideal for remote anchor points where nothing can be left to chance. 100% Made in the USA.

    Select Size:
    28mm
    40mm
    Brand:Harken

    Details

    Radius Ring - 28mm

    • Finish:  Gold Anodized
    • Inside Diameter:  28mm (1.10")
    • Outside Diameter:  48mm (1.88")
    • Thickness:  12.7mm ( .50”)
    • Weight:  35 grams (1.20 oz)
    • MBS:  38kN (8542 lbs.)
    • Made in USA

    Radius Ring - 40mm

    • Finish:  Red Anodized
    • Inside Diameter:  40mm (1.57")
    • Outside Diameter:  61mm (2.40")
    • Thickness:  12.7mm (0.50 inch)
    • Weight:  46 grams (1.60 oz)
    • MBS:  40kN (8992 lbs.)
    • Made in USA

    More Information

    Sales Blurb:Available in 2 Sizes
    Manufacturer:Harken

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    Customer Reviews
    5.0 out of 5 (2 reviews)

    David • December 27, 2025

    nice ring

    have this installed on my MB bridge. Feels solid and smooth

    Dolan • November 14, 2025

    Feels nice and looks good too

    I recently purchased one for my petzl sequoia and I have no complaints, it was a great addition to my saddle!!!

    About Arbsession

    We specialize in professional arborist supplies and tree climbing gear. Our mission is to provide the highest quality equipment for tree care professionals.

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