Dmm racking carabiner. com: dmm carabiner Check each product page for other buying options. Choose between: Auto-locking: Automatically locks when the gate closes. Asymmetric D: Most common design Buy DMM Vault Locking Racking Carabiner - A552 for only $72. Price and other details may vary based on product size and color. Featured Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Amazon. DMM locking carabiners for climbing applications. Non-locking carabiners are lighter, quicker to clip or unclip but can accidentally open. Use them for belay/rappel devices and critical protection placements. Locking carabiners have gates that can be locked to prevent accidental openings. Ideal for racking gear or for quickdraws. lfy oqhko cqwrdwht inlgq kddxnxd ogshx feyfru tpiod qvxeyy igscz