Specifications - Package includes 60 pcs heavy duty carabiner. Size: 58x27 mm (2.28x1.06 inch). M6 link dia: 1/4 inch. Max load capacity is about 280kg/617 lbs. Material - Our quick link is made of Galvanized Iron & solid steel, the carabiner clips is rustproof and -, strong and reliable. Perfect for fast connections with chains and trailer chains. Connecting: These 1/4 chain connectors allow you to attach two chains without cutting. Versatile binding, rigging and anchoring hardware allows fastest connection or disconnection. Safe to use - You can easily open the threaded nut of the steel quick links chain clockwise and close it counterclockwise without hurting yourself. Applications: heavy duty quick links for chain, rope, camping, swing cable connections. Ideal for securing rings and loops to chain or for extending chains. M6 Quick Link Carabiner 1/4 inch Quick Link Heavy Duty Carabiner for many Different Types of Connections. Such as Pulleys, Tie-down, Various Antennas and Cable Applications. precision screw provides tight and secure connection, Our M6 Quick Link is a for secure playground equipment parts, Great for outdoor activities, hiking, camping, keychain, ropes, pets, DIY accessories, outdoor and indoor equipment gear, etc. Weight:32g per one Size:58x27mm/2.28x1.06 inch Working Load Limit:280kg/617 lbs Diameter: M6-6mm/0.24 inch Opening:9mm/0.35 inch Warning: When you use it, need to twist the screw tightly. Colour:Silver Material:Galvanized Iron Package Contents: 60 * Chain Link Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.