Generous size of approximately 4.75" x 2.2" x 2" for a stable grip and accurate cutting. Wide compatibility with most modern smartphones and mobile devices using Micro SIM or Nano SIM formats. Universal 2-in-1 conversion design that allows for easy resizing of Standard SIM to Micro SIM and Micro SIM to Nano SIM. Before use, carefully review the printed instructions on the package box and the product page images. Always confirm your existing SIM card size and device requirements before purchase to compatibility. This versatile cutter helps you upgrade or switch devices without needing a new SIM, making it ideal for travelers, multi-device users, and anyone frequently changing or upgrading their mobile phone models. Color: Black Material: Alloy Steel Package Contents: 1*mobile phone card cutter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.