Features: The ring size measuring tool is made of aluminum alloy, which is sturdy and durable. Not easily faded for maximum clarity and readability. The 27 piece ring size measuring kit is made of zinc-alloy. Its surfaces is smooth and comfortable to wear without scratching your fingers. The size chart is easy to read, allowing you to easily and easily measure the size of your fingers and choose the appropriate engagement or wedding ring. It can measure the ring size of men and women. The slip ring size adjuster is available in four colors: black, white, gray, and skin tone. Easy to use, suitable for most rings; You can customize it to provide a comfortable wearing experience while preventing ring loss. The tool kit is lightweight and compact in structure, making it easy to carry and store. The surfaces of the measuring tool is smooth and won't hurt your hands. It allows you to easily measure the size of your fingers and choose the right ring for your mother, wife, girlfriend, or boyfriend. Specifications: Rod Material: Aluminum Alloy Ring Material: Zinc-Alloy Size: As Shown in the Picture Package Includes: 1pc Metal Ring Mandrel 1pc Ring Sizer 1pcs Plastic Ring Measure 2pcs Double-Sided Polishing Buffing Bars 4pcs non-skid ring size adjusters note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.