Micro Traxion Progress-Capture Pulley MICRO TRAXION is a compact and lightweight progress-capture pulley (85 g) designed for crevasse rescue, hauling, and self-rescue, and for use as an emergency ascender. The cam can be locked in the open position so the device can be used as a simple pulley. Sealed ball bearings provide excellent efficiency (91 %). Features: Versatile:- Designed for crevasse rescue, hauling, self-rescue, and for use as an emergency ascender- May be used as a simple pulley by locking the cam in the raised position Very light and compact:- Only 85 g- Hole allows an Sm’D carabiner to be connected to the pulley with an cord, making the device loss-proof High efficiency:- Sealed ball bearings provide excellent efficiency (91 %)- Works even on frozen or muddy ropes- For use on 7 to 11 mm diameter ropes- Rope installation diagrams are engraved inside the pulley