The Petzl SM'D Screw Lock Carabiner is an incredibly versatile, lightweight, and compact D-shaped locking carabiner. Its D shape offers functionality in any orientation, making it suitable for various uses like attaching a belay system, a pulley, or at the end of a lanyard. It's not only easy to handle but also ergonomic, especially when wearing gloves. The H-shaped cross - section enhances grip, and the Keylock system prevents accidental snagging. There's a hole that allows you to connect a TIBLOC or a MICRO TRAXION with a cord, keeping these devices from getting lost. It comes in three locking system versions. The SCREW - LOCK system is easy to open, with a red band to warn when it's unlocked, perfect for harsh environments where contaminants might jam an automatic system. The TWIST - LOCK is great for quick opening scenarios, such as at the end of a lanyard or when connecting a GRIGRI to the harness. The TRIACT - LOCK provides automatic locking with triple - action gate opening. Specifications include a weight of 46 g, Type B, yellow color, major axis strength of 23 kN, minor axis strength of 8 kN, open gate strength of 7 kN, and a gate opening of 20 mm.


Using the Petzl SM'D Screw Lock Carabiner is straightforward. First, choose the right locking system according to your situation. If you're in a harsh environment with mud or ice, go for the SCREW - LOCK. Just turn the screw to lock or unlock it, and watch for the red band to know if it's unlocked. For quick opening needs, like at the end of a lanyard, the TWIST - LOCK is your best bet. And if you want automatic locking, the TRIACT - LOCK is a great choice. When using it, make sure to connect it properly to your equipment, like a belay system or a pulley. You can also use the hole to attach a TIBLOC or a MICRO TRAXION with a cord. As for maintenance, after each use, check the carabiner for any signs of damage, like cracks or dents. Clean it gently with a soft cloth and mild soap if it gets dirty. Store it in a dry place to prevent rusting. Remember, always follow safety guidelines when using this carabiner.