The 6.8 mm HollowBlock2 is made of 100% Technora® fiber for increased abrasion resistance and improved durability. Its gripping ability comes from the unique hollow-braid construction, for use as a prusik or Klemheist knot on ropes 7 mm or larger. It's available in 13.5" and 19" lengths.
Key Benefits
• 100% Technora Construction
• Significant increase in durability and performance
• Same function and grip as the original