HollowBlock2 13.5" Loop Bluesign Certified Integrated anti-microbial technology

Integrated anti-microbial technology

berber footbed keeps feet cozy and comfortable

Trimethoxycaprylylsilane

Sealed mechanism

Superior cramp prevention

HollowBlock2 13.5" Loop Bluesign Certified Integrated anti-microbial technologySterling Rope's popular 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. 6. 8mm 100% Technora Construction Significant increase in durability and performance Same function and