Sterling HollowBlock2 Friction Hitch and Autoblock - 6.8MM

The Sterling 6.8mm HollowBlock2 Friction Hitch and Autoblock is an ultra-abrasion-resistant hitch and autoblock for climbing. Designed for use as a prusik or Klemheist knot, it's meant for ropes 7mm or larger. Incredibly durable, ready to perform, and grips like a champ when it counts.