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Mechanical Friction Devices  

Mechanical friction devices provide an arborist superior control over their climbing rig. They improve overall safety and efficiency, which is why many arborists have replaced their friction hitches with this product. Mechanical friction devices are specifically designed for Double Rope systems.


We have excellent mechanical friction devices that should be a part of every modern arborist’s kit. Our product has a rope diameter ranging from 11.5mm to 13mm and a working load limit of 140kg. 

Mechanical Friction Devices  

Showing 1 - 11 of 11 items

  • £19.47
    New

    PETZL Upper strap for KNEE ASCENT LOOP and KNEE ASCENT CLIP assemblies increases durability.Attaches to the waistbelt of SEQUOIA and SEQUOIA SRT harnesses, Strap with slots for connecting the elastic of the KNEE ASCENT assemblies, Has a connector for attaching the mechanical Prusik, Allows the ZIGZAG or ZIGZAG PLUS and CHICANE unit to be raised.

    £19.47ex VAT £19.47inc VAT
  • £243.85
    New

    PETZL EXO AP HOOK is a personal escape system with HOOK anchor hook adapted for locations where the possibility of finding an anchor point is uncertain.Working load limit: 140 kg, Material(s): aramid, aluminium alloy, stainless steel, nylon, steel, Weight: 1470 g, Certification(s): NFPA 1983 Escape Use.

    £243.85ex VAT £243.85inc VAT
  • £206.34 £217.20 -5%
    New Reduced

    Save 5% when you order the Petzl Chicane & Zigzag+ BundleThe CHICANE auxiliary braking device allows ZIGZAG or ZIGZAG PLUS mechanical Prusiks to be used on single ropes.The ZIGZAG mechanical Prusik allows the user to move around efficiently in a tree using classic Prusik pulley system technique.

    £206.34ex VAT £206.34inc VAT
    £217.20 -5%
  • £95.20
    New

    The PETZL chicane Allows ZIGZAG and ZIGZAG PLUS mechanical Prusiks to be used on single ropes.Easy installation, Optimized durability, Material(s): aluminum, steel, nylon, Weight: 255 g, Min. rope diameter: 11,5 mm, Max. rope diameter: 13 mm, 'ANSI Z133 standard' compliant.

    £95.20ex VAT £95.20inc VAT
  • £85.00
    New

    PETZL Knee Ascent Loop assembly to facilitate the arborist's ascent when using the ZIGZAG or ZIGZAG PLUS mechanical Prusik on a single rope.Material(s): aluminium, steel, nylon, polyester, Weight: 280 g, Min. rope diameter: 11,5 mm, Max. rope diameter: 13 mm, Rope compatibility: EN 1891 type A low stretch kernmantel ropes.

    £85.00ex VAT £85.00inc VAT
  • £12.63
    New

    PETZL Lower strap for KNEE ASCENT Clip assembly increases durability. It features a foot loop for optimal foot positioning. It attaches on the lower hole of the CROLL rope clamp.Lower strap for KNEE ASCENT Clip assembly increases durability, Features a foot loop for optimal foot positioning, Attaches to the lower hole of the CROLL rope clamp, Weight: 40 g.

    £12.63ex VAT £12.63inc VAT
  • £85.00
    New

    PETZL Knee Ascent Clip assembly to facilitate the arborist's ascent when using the ZIGZAG or ZIGZAG PLUS mechanical Prusik on a single rope.Material(s): aluminium, steel, nylon, polyester, Weight: 285 g, Min. rope diameter: 11,5 mm, Max. rope diameter: 13 mm, Rope compatibility: EN 1891 type A low stretch kernmantel ropes.

    £85.00ex VAT £85.00inc VAT
  • £12.63
    New

    PETZL Lower strap for KNEE ASCENT LOOP assembly increases durability. It features a foot loop for optimal foot positioning. It attaches on the lower hole of the CROLL rope clamp.Lower strap for KNEE ASCENT LOOP assembly increases durability, Features a foot loop for optimal foot positioning, Attaches to the lower hole of the CROLL rope clamp, Weight: 35 g.

    £12.63ex VAT £12.63inc VAT
  • £145.00
    New

    The ZIGZAG PLUS mechanical Prusik allows you to move around freely in a tree using classic Prusik pulley system technique. The friction chain provides precision and fluidity when moving around. Material(s) aluminum, steel, nylon Weight: 425 g Rope compatibility: EN 1891 type A low stretch kernmantel ropes Working load limit: 140 kg Certification(s): CE...

    £145.00ex VAT £145.00inc VAT
  • £122.00
    New

    The new mechanical Prusik allows even more efficient movement in a tree using classic Prusik pulley system technique. The friction chain provides precision and fluidity when moving around.Material(s) aluminum, steel, nylon Weight: 365 g Rope compatibility: EN 1891 type A low stretch kernmantel ropes Working load limit: 140 kg Certification(s): CE

    £122.00ex VAT £122.00inc VAT
  • £19.47
    New

    PETZL Elastic for KNEE ASCENT LOOP and KNEE ASCENT CLIP assemblies increases durability. It attaches to the upper strap of the KNEE ASCENT assemblies and the upper hole of the CROLL rope clamp.Elastic for KNEE ASCENT LOOP and KNEE ASCENT CLIP assemblies increases durability, Attaches to the upper strap of the KNEE ASCENT assemblies and the upper hole of...

    £19.47ex VAT £19.47inc VAT

Showing 1 - 11 of 11 items

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