304 STAINLESS STEEL - These brief hyperlinks are product of stainless steel, which has higher hardness and corrosion resistance than other regular alloy metal materials. Quality hardware resists harsh climate for long durations of time and is extremely sturdy and safe.EASY TO USE - Twist clockwise the thread to open and anti-clockwise to close. And the ultra mushy threads are very convenient for set up and disassembly even though it's closed for a protracted time.MAX. LOAD 500 LB - Unique design and reinforced stainless steel material for stepped forward load wearing capacity. The most load capability of this connector is 500 lb. Almost all of the wishes are met. Tip: Please do not exceed the max load for safety.MULTI-PURPOSE - M4 stainless steel chain connector perfect for outdoor actions such carabiner, swing set, coloration sails, climbing 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 kit content, different merchandise aren't included.Note: Light shooting and varied reveals may cause the colour of the article within the picture somewhat varied from the real thing. The dimension allowed error is +/- 1-3cm.