Great Quality & Durable - The chain quick link is made of high-quality 304 stainless steel, with excellent hardness and toughness, durable, waterproof, rust-proof and corrosion-proof. This chain link is ideal for indoor and outdoor activities.Safety & Convenient - The hex nut and threaded end are designed for a tight connection, preventing slippage, providing a tight and secure connection, and effectively reducing potential security risks in use.Practical & Extensive - Chain links are common items that can be used daily as pets, backpacks, key chains and more. It can also be used for outdoor activities such as camping, fishing, traveling, etc.HEAVY LOADS ON ONE CARABINER: Oval shape design for fitting heavy loads on one carabiner- Super strong and designed for heavy loads. CORROSION GOOD-BYE: Stainless steel materials hold up against corrosion- No rust in freshwater or saltwater- Weather resistant- No damage from mud or dirt- Will not surrender against the elements.MANUFACTURED WITH STURDY STAINLESS STEEL: Stainless steel for added strength and integrity to cable rigging- Designed for both indoor and outdoor use- Stands strong in heavy duty applications- Not damaged by wear and tear.SCREW LOCK DESIGN FOR INCREASED SECURITY: Screw Lock gates prevent unintentional disconnection- Avoid accidents- Holds lines with durability