Features: Premium material ensures maximum stability and durability for long lasting usage. Helps a neck strap attach to the camera eyelet. Easy to mount and secure to use. Widely used for camera shoulder strap, lanyard, waist belt and so on. Triangular Rings only, other accessories demo in the picture are not included! Specifications: Material: Stainless Steel+ABS Type: Accessories Color: Black+Silver Size: One Size Outer Diameter: 13mm/ 0.51in Inner Diameter: 11mm/ 0.43in Quantity: 1 Set Package Includes: 5 Pcs x Triangular Rings note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!