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.
- 100% Technora Construction
- Significant increase in durability and performance
- Same function and grip as the original
- MBS rating (lb): 3147
- MBS rating (kN): 13.0