Underground Manufacturing 2-Hole 7075 Aluminum Simple Replacement Spool Canyoneering 8 1/2" x 2 3/4"

8 1/2" x 2 3/4" x 3/4" (216 mm x 70mm x 19 mm)

as shown in the images of the swivaBiner in use

The Notch Portawrap has significant corrosion resistance and tree protection

May be used in all situations

Underground Manufacturing 2-Hole 7075 Aluminum Simple Replacement Spool Canyoneering 8 1/2" x 2 3/4"Underground Manufacturing 2 Hole 7075 Aluminum Simple Replacement Spool 7075 Aluminum replacement spools pulleys for the venerable Petzl Simple descender. These 2 hole spools replace the upper position spools of older Simples (pre 2019). Made of 7075 aluminum, these replacement spools last about 2x as long as the stock 6061 Aluminum spools. They offer similar friction characteristics to the stock spools. These make a great upper position spool to pair