Design and Details A versatile, lightweight belay/rappel device with engineered rope slots that give the belayer added control by increasing friction on the rope Single or double rope compatible (8 mm to 11 mm ropes) Increased thermal mass and cooling fins to dissipate heat Anodized for longer wear CNC machined from 6061 T-6 aluminum Available with or without the Element locking carabiner New UIAA standard for rope braking devices