This quick link chain connector is solid and sturdy, which can withstand long-lasting use. Features the 304 stainless steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This chain connector will make the repair and fix easier and smoother. Features - Color: Silver -Material:Stainless steel - Size: 4.20X2.20X0.80cm/1.65X0.86X0.31in Diameter:3.8mm -The 304 stainless steel has excellent strength and toughness due to the sturdy materials of these lock. -The quick link chain connector is equipped with threaded end, which can provide higher safety when connecting the safety chain, not easy to skid. -Stable structure, polished surface without burrs, these quick links are hard, not easy to deform or break. -These chain quick links are swing extension, cage hook, camera hook, trailer traction chain connection, sunshade sail, etc. -Small size, light weight, the chain connector links can be easy to use for long time. Package list: 6 x Locking Links Connectors