Great for glacier travel and z/c pulley sysytems
I have used these for crevasse rescue and they lower the resistance quite a bit when pulling using the Z / C systems. I think I read where they can reduce resistance 25-40 % vs. standard carabiners in that capacity.
Please Note: We are not a retailer and do not sell these products directly. This product (DMM Revolver Carabiner) is one of millions of products available in our comparison shopping engine on GEAR.com. Browse, shop and buy from GEAR.com Trusted Stores. If you have any questions about these products, please contact the listed merchant for assistance.