The Climbing Technology Otto M is a classic figure-8 style belay and rappel device crafted for climbers who value simplicity, versatility and reliability. Made from hot-forged lightweight alloy, its timeless 8-shaped design provides smooth rope friction control for both belaying and rappelling tasks. This compact and rugged device works with a wide range of rope types, including single ropes, half ropes, and twin ropes, and supports various diameters commonly used in sport climbing and mountaineering. Its robust construction meets the EN 15151-2:2012 Type 2 safety standard, giving confidence that it’s been tested for strength and performance in real-world use. With a breaking load of around 30 kN and a lightweight profile, the Otto Medium is ideal for climbers looking for a durable, easy-to-use descender that doesn’t weigh down your rack. Specification Breaking Load: 30kN Single Rope Diameter: 8.6mm - 10.5mm Twin/Half Rope Diameter: 7.3mm - 9mm Weight: 108g
