SPECS: Weight: 55 g Compatibility: 8.5 mm to 11 mm (single ropes), 7.1 mm to 9.2 mm (half ropes), 6.9 mm to 9.2 mm (twin ropes) DESIGN & DETAILS: Durable aluminum frame Usable for belaying a climber or rappelling Installation diagram for rope engraved on device Controlled braking through V-shaped friction grooves Smooth gliding for ropes Rounded slot design to limit wear and extend device’s lifetime Certified under CE EN 15151-1 and UIAA