A screw used to protect a climb over steep ice or for setting up a crevasse rescue system. The strongest and most reliable is the modern tubular ice screw which ranges in length from 10 to 23 centimetres.
A screw used to protect a climb over steep ice or for setting up a crevasse rescue system. The strongest and most reliable is the modern tubular ice screw which ranges in length from 10 to 23 centimetres.