304 STAINLESS STEEL - These brief links are made of stainless steel, which has increased hardness and corrosion resistance than other standard alloy metallic materials. Quality hardware resists harsh climate for lengthy durations of time and is extremely durable and safe.EASY TO USE - Twist clockwise the thread to open and anti-clockwise to close. And the extremely mushy threads are very handy for set up and disassembly even supposing it is closed for an extended time.MAX. LOAD 500 LB - Unique design and reinforced stainless-steel material for improved load sporting capacity. The maximum load ability of this connector is 500 lb. Almost all the desires are met. Tip: Please don't exceed the max load for safety.MULTI-PURPOSE - M4 stainless-steel chain connector preferrred for outside actions such carabiner, swing set, coloration 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, other merchandise should not included.Note: Light taking pictures and varied displays can cause the color of the object within the photo a bit of assorted from the real thing. The size allowed error is +/- 1-3cm.