Ergodyne Squids 3108 Heavy-Duty Self-Locking Single Carabiner, Lime Carabiner self-locks to worker or anchor for added security. Shorter length. Stretch cord surrounded by tubular nylon webbing Lock stitching at both ends for extra security Self locking aluminum carabiner & loop with adjustable barrel lock for attachments Maximum safe working capacity: 10 lbs. (4.6 kg) Length: 28" - 35"