Pelican GBW12200BC 16-Strand Gr/Black/Wht Rope, 1/2" X 200 w/ Bag Chain Type_91PX It does this by allowing

It does this by allowing the bungee to run past the ascender all the way to the foot through a liner where it then pulls the lower tether and ascender up the line from the bottom when it is un-weighted

For use with chainsaws with bars of 24" or less and 50cc or more displacement

Automatic chain grinder Griding Motor for professional end users seeking an efficient and profitable solution for high-volume chain sharpening

Sold by the pair

For 90SG and 90PX Series Saw Chain

Pelican GBW12200BC 16-Strand Gr/Black/Wht Rope, 1/2" X 200 w/ Bag Chain Type_91PX It does this by allowingGreen, White, and Black 16 Strand Unique colored 16 strand climbing line with Rope Bag Combo (10. 8" x 20" x 8. 3")