Guided type fall arrester and work positioning device. Use on 11 mm ropes (recommended Singing Rock Static 11) Integrated cam for blocking in required position. Not for rock climbing. The Locker Sling is an optional certified accessory for connecting the Locker to your harness. / Weight: 188 grams / Locker Sling lenght: 20cm / CE Certified EN 353-2 EN 358