NIUNIU This tape measure tool helps you accurately read curves, corners, and hard-to-see points. It's easy and accurate - just clip it to a measuring tape and take the guesswork out of it. Cost-Effective Alternatives: Cost-effective alternatives to gauges. Itfits most tape measures and gets the job done quickly and easilywithout the hassle (or cost) of using a tape measure. Clamp it and slide it into place to get a true reading and help ensure that your tasks are done perfectly. Width of tape measureclamps: Supports tape measures up to 25 mm (1 inch) wide. Why there is no solution: This makes measuring jobs impossible to get accurate readings with a tape measure around the job quantity of delivery: 1 piece (Package contents: Only the above package contents, excluding other products.) size:6.5*5cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:silver colors (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)