Campbell's lightweight, compact ventral blocker, which includes the new patented pulley system for unmatched efficiency during ascent. It provides a low wear of the rope and the blocker itself.
The geometry of the device is proven for use on crossings. Incorporates drainage holes for mud and dirt on both the cam and the body. It can also be used as a blocking pulley (only for material recovery purposes, 50 kg max.).
The blocker is made of aluminum alloy, the cam is made of microfused stainless steel. It has been built according to EN 12841 / B for semi-static ropes of 10 to 13 mm and according to EN 567 for strings of 8 to 13 mm