Petzl carabiner types 6. cause failure of carabiners can result in serious injury or death, the following study tested how well carabiners endure the stress to which climbers subject them. The #1 most owned carabiner ever is the now retired Black Diamond Positron (screwgate). com. The rope-inviting bent gate and stabilizing flat spine boost clipping efficiency, while the spine's windows reduce weight to keep our gram count low. Certification(s): CE EN 362, CE EN 12275 type B, EAC, NFPA 2500 Technical Use, XF 494 : FZL-G-Q, GB/T 23469 / B. Petzl Attache. Petzl Other. 0 out of 5 stars. Bent and straight gate designs are optimized for different uses. arkldgrymfywixnyzurcwxyzlcflbnzmlpxxqyuqxxmbyloehdagwdzbricevidixnsuuccsr