Label:Yes Color: Black Material: Metal Type: Optical Trial Lens Frame Size: As Picture Show Brand new and high quality. Feature: Scope of Use: You can use our trial fitting frames to perform basic nearsightedness, farsightedness and astigmatism tests, as well as more challenging tests, such as testing your area of vision correction and ability to recognize color. Accurate Measurement: For users with PD of 50-76mm in both eyes and 24-40mm in unilateral PD. Multiple Lens Insertion: Lenses can be inserted into the left and right sides of the frame, up to four lenses. The lenses can be rotated 360 degrees along the optical axis within the frame. This means that the lenses can be precisely positioned and mounted on the frame in any position. Adjustable Range: The left and right frame leg length range adjustment range: 98mm to 135mm, ensuring a perfect fit for all face shapes. Maximum spacing between the left and right frame legs: 200mm, providing ultimate comfort and stability for those with wider faces. Worry-free After-sales Service: We have a professional team and considerate after-sales service. If you have any questions, you can contact us, and we will get back to you as soon as possible. Package Included: 1Pc Optical Trial Lens Frame Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.