DMM Ultra O Locksafe carabiner poles This opening sequence helps to

This opening sequence helps to reduce the risk of unintentional opening of the gate

Gate opening gap (inches)1 1/8

CHEST ASCENDER HC)

comfortable performance

Rope diameter range (mm)    11 - 13mm (7/16 - 1/2")

DMM Ultra O Locksafe carabiner poles This opening sequence helps toThe Ultra O Screwgate could be described as the perfect aid climbing biner it certainly performs remarkably well in the big wall environment and the I Beam construction gives it an excellent strength to weight ratio. Perhaps multi day ascents, sac hauling, portaledges and extreme dehydration (eek!) are not your bag, but that doesnt mean you should turn your back on the oval biner design, far from it. At some point all of us will need to use a pulley