A great value locking biner and belay device. The Variable Controller features a classic twin-slot design for smooth feeding when using thicker ropes. The Synergy biner has a keylock gate for snag free clipping. A simple combo set for all-round climbing use.
- Beefy keeper loop.
- Recommend for use with 8.5 – 11mm diameter ropes.
The maximum diameter or the range of rope diameter that is compatible with the device.
|8.5 - 11mm|
Belay off anchor
Use an autoblock device with a locking carabiner to belay off the anchor or to bring up two seconds on independent lines.