304 STAINLESS STEEL - These short hyperlinks are product of stainless steel, which has larger hardness and corrosion resistance than different standard alloy metallic materials. Quality hardware resists harsh weather for lengthy intervals of time and is amazingly sturdy and safe.EASY TO USE - Twist clockwise the thread to open and anti-clockwise to close. And the ultra smooth threads are very convenient for installation and disassembly even if it is closed for a long time.MAX. LOAD 500 LB - Unique design and bolstered stainless steel material for stepped forward load sporting capacity. The most load ability of this connector is 500 lb. Almost all the wishes are met. Tip: Please don't exceed the max load for safety.MULTI-PURPOSE - M4 chrome steel chain connector ideally suited for outdoor activities such carabiner, swing set, color sails, mountaineering ladder, hiking, camping, fishing, key chain, backpack, ropes, pets and so on.colour: silverMaterial: stainless steelPackage Contents:12 x m4 Stainless Steel Chain ConnectorOnly the above package content, different merchandise are not included.Note: Light shooting and various displays may cause the color of the article in the picture somewhat different from the genuine thing. The measurement allowed error is +/- 1-3cm.