Product Details Always-functional fall protection: Stops falls, slides, and uncontrolled descents Compatible with both vertical and angled ropes Locks even if the device is grabbed during a fall Simple operation and high functionality: Moves up and down the rope without manual operation Easy to attach and detach at any point on the rope Can be attached using an energy absorber to maintain distance from the backup rope Complies with European and Russian standards when used with the "OK Triact-Lock" carabiner Complies with North American standards when used with the "BMD" or "Oxan Triact-Lock" (international standard compliant version) carabiner Retail Price ¥30,360 ¥6,160 ¥3,400 I bought this for work but haven't used it at all, so I'm selling it.