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From the shaping of large shrubs and hedges to the trimming of grass and other plants, you'll find our selection of innovative specialty Corona® and Gyokucho hedge shears built to exacting standards of craftsmanship to meet the needs of every professional.

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Notch Aerial Friction Brake

SKU ST-39961
In stock
Product Details

[tab name="Overview"]

Two wraps are recommended for best use. A wrap is defined as crossing the top of the device. Larger loads (up to 1,000 lbs) can be rigged with three wraps. With three wraps on the device it will be harder to pull rope back while unloaded, and this is recommended only for the occasional large loads or for controlling a rigging line placed at the butt of the load.

The Aerial Friction Brake is based on a rope and rescue tool created by Carroll C. Bassett called the BMS Belay Spool. The benefits of this improved, arborist-specific design include:

  • Canopy controllable friction
  • Snatch function allows easy attachment to the anchor sling and the ability to attach a rigging rope mid-line
  • Extra wide side plates to prevent pinching of the running rope
  • Square bollard decreases surface contact of unloaded rope, decreasing friction and allowing the unloaded rope to be pulled back (more difficult with three wraps)

[tab name="Technical Specs"]

  • Weight: 3.35 lbs
  • SWL: 1,000 lbs
  • Recommended Rope Size: 9/16"
  • Maximum Rope Size: 3/4"
  • Material: Steel
  • Working Load Limit: 1000 lbs (4.4 kN)


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Big Bear Tools is Canada’s wholesaler of quality imported sharp/edge tools and related products.
From German landscaping pruners and Japanese hand saws to American arborist saws, Swedish axes and sharpening equipment, we have all the finest tools!

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