Product Description: Belay device with cam-assisted blocking, optimized for lead climbingTake your belay game to the next level. NEOX is an assisted blocking belay device for the gym and the crag. Ideal for lead climbing, it has an integrated wheel that allows you to smoothly and quickly pay out slack to the climber. Its ergonomic handle provides comfortable descent control. It can be used with single ropes from 8.5 to 11 mm. Features: Cam-Assisted Blocking Optimized for Lead Climbing Versatile Belaying Easy Rope Installation User-Friendly Operation Compatible with a Range of Ropes Efficient Descent Control Eco-Friendly Design Secure and Reliable Lightweight and Durable