The Camp Turbohand Ascender uses proprietary technology and cutting edge design to make climbing ropes safer, faster and easier. It features a proprietary roller which not only helps with climbing efficiency by making the upward glide much smoother, it also reduces dangerous wear and tear on ropes compared to traditional ascenders. The toothed cam is finished with a special anti-wear treatment and features drain holes to help prevent the build-up of mud and grit. The opening system is protected on both sides to prevent accidental openings. For ropes with a diameter from 8 to 13 mm. Weight 185 g.