Sterling Rope 6.8mm Hollow Block Loop
|Price:||$10.32 - $27.83|
|Sale:||Lower price available on select options|
- MBS lbs (kN): 3,147
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Used as a friction hitch or auto block and able to grab onto rope efficiently when used as a rappel backup on ropes 7 mm or larger. Sterling Rope's 6.8 mm HollowBlock’s gripping ability comes from its hollow braid cord construction composed of strong, durable aramid fibers.
Sewn Cord Type: Aramid fibers with hollow braid cord construction
- 3,198 lb
- 14.0 kN
41" (regular and pro version), 61.5" (long version)
Will Gadd, Sterling Team Athlete on the HollowBlock
I use these for all sorts of things in my personal climbing, film rigging work, and guiding. They make a great backup for rappelling, work well with a pulley for crevasse rescue or industrial tension applications that need to be high strength and non-damaging to the load lines, just great tools for all sorts of situations. I had one on my harness when I climbed Niagara, as I always do, it’s a sort of ‘get out of jail’ card for a lot of situations. Plus they weigh nothing and last a really long time.
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I only gave the HB 4 stars because while it's good, it's not a complete game changer. I wouldn't have a problem going back to using a 6mm diameter cord as a friction hitch back up. I don't think I'd see a huge difference between that and the HB. But the hollow block does what it says and it does it well enough.
I climb exclusively on dyneema slings. After a conversation with a very experienced climber about the low melting point of dyneema when used as a rap backup, I bought this. I can say that it is just another level of safety, and I am glad to have it.
I bought the shorter length, and it is perfect for rap backups.
The only downside is that this is not full strength, and therefore not as versatile. It is small and light on your harness, but I still prefer to carry equipment with many uses. This is a specialty piece who's only purpose is friction hitches.
Most recent customer reviews
1. It is rated to 19kN.