304 STAINLESS STEEL -- Made of 304 grade stainless steel, which is weatherproof and does not rust, wear and corrosion resistance, not easy to deform. Ideal for indoor or outdoor use.

5/32” DIAMETER CHAIN CONNECTOR -- Package include 20Pcs link chain; Carabiner Size: 5/32” Dia, 0.27" Opening Width, 1.65” total length, 0.8” total wide.

WIDE FUNCTIONALITY -- These D shape locking carabiner are ideal for daily life. M4 quick links can be attached to the backpack, porch swing, handbag, pets, key chain, chandelier, string light, Fitness Equipment. and they also can be used for outdoor activities.

320lbs CAPACITY CARABINER -- With the high strength construction, each carabiner quick link has a working load of 320 pounds. Perfect for chains, cable and ropes.

SAFE AND QUICK CHAIN LINK -- Twist the thread to open and close, only taking seconds. This safety chain hook is equipped with a threaded end and hexagon nuts to ensure the safety connection when connecting your safety chains to your trailer hitch.