Independent arborist gear picks · Typical prices shown, checked at the retailer

Representative photo for Courant Sushi 1.8mm Throwline Throw Line

Representative photo. Check the retailer listing for the exact model, color and size.
Photo: TVCF002 by Symic, CC BY 2.0

Courant

Courant Sushi 1.8mm Throwline

A slick 1.8mm throwline for setting lines high in the canopy.

$49 Typical price. Retail prices change, so check today's price before you buy.
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  • 1.8 mm diameter
  • Slick finish for long throws
  • Slides easily over bark when isolating
  • Bright color is easy to track
  • From Courant

Climbing

Courant Sushi 1.8mm throwline is made for setting climbing and rigging lines. Its slick surface runs fast off a cube or bag and slides easily over bark when you isolate a limb.

How it handles

A good throwline has to come off the pile cleanly, fly far behind the bag, and then slide over bark without hanging up while you isolate the limb. A slick, thin line like the Sushi does all three, so you get more height with less arm.

1.8mm is a common middle ground: thin enough to throw high, thick enough to handle and pull a climbing line without cutting your hands. Compare other throw lines if you prefer a thinner or stiffer line.

The bright finish is easy to follow through the crown, so you can see which side of a limb the line went over before you start pulling.

Care and use

Store it in a cube or bag so it pays out without tangles, and keep it clean; sap and grit slow it down. Check the line for nicks and thin spots, and cut out damage rather than throwing on it.

Throw lines are not life-support gear. Use them only to set your climbing or rigging line, and make sure the crew is clear of the drop zone when you throw or pull a bag down.

A small cube clipped to the saddle or the throw bag keeps it ready for the next tree.