Product Name: New Spring-Loaded Carabiner Round Ring Black Metallic, Outer Diameter 40mm (Inner Diameter 32mm), 5 pieces. Durable nickel spring mechanism for easy use. Ideal for alloy key bags, etc. Includes shipping. Description: Easy to use with spring-loaded opening and closing. A convenient round carabiner hook! The spring hook type opens easily by simply pressing the claw part, allowing for easy one-handed attachment. Releasing the finger holding it will cause the claw to return and close due to the spring force. It's a fitting for attaching small items such as keys and straps, and is a convenient item for everyday use due to its easy one-touch attachment and detachment. It's cool and stylish with a black metallic finish. The advantage of the round shape is its strength. It can be widely used from outdoor activities to daily life. Round carabiners are loved as reliable tools in many situations. Size: Outer diameter 40mm, Inner diameter 32mm (Measured by an amateur. There may be some errors.) Material: Durable nickel alloy Features: Spring-loaded round carabiner Condition: New, unused. Please purchase if you can confirm and understand the condition from the photos. It has been opened to take photos. Please understand. ・Please check the condition in the photos. ・Returns and refunds due to customer reasons (different from the image, slightly different from the photo, etc.) are not supported. ・There may be color differences depending on the device you are viewing. Please purchase after confirming the photos and being satisfied. #Outer diameter 40mm (Inner diameter 32mm) 10-45