The bestselling friction hitch and autoblock has been redesigned with a stronger aramid fiber.
The 6.8 mm HollowBlock2 is made of 100% Technora® fiber for increased abrasion resistance and improved durability. It's gripping ability comes from the unique hollow-braid construction, for use as a prusik or Klemheist knot on ropes 7 mm or larger.
The Sterling Hollowblock for Rappel Back-Up by Gripped Magazine.
A Comparison Review of Prusik Cord Options by Black Sheep Adventure Sports.
- 100% Technora Construction.
- Significant increase in durability and performance.
- Same function and grip as the original.