Spidergard S01813-S Steel Carabiner  50kn (11,200 lb) Rated,  Twist Auto Lock, ANSI Certified Gate Opening - 1" Major - 50 kN (11,200 LB) | Gate - 16 kN (3,600 LB) ANSI Certified Z359.12-09 | CSA Z259.12-11 | EN 362:2004 Auto Twist Locking Gate Quantity: 1