Description: 【Durability】Crafted from premium PET material, the card resists smudging, bending, and wrinkling, ensuring long time performance through repeated use 【Compatibility】Designed for PSA centering grading and BGS tools, thistransparency PET plastic card is ideal for collectors and professionals seeking precise card evaluation 【Easy to Use 】Simply place the guide on your card, measure dimensions, and refer to the included percentage guide to effortlessly check centering from left to right and top to bottom 【Size】Measuring 10 cm x 7 cm/3.94 inch x 2.76 inch, this tool fits standard trading cards perfectly for accurate assessment without obstructing details 【Package】: You will receive 1x PSA Card Grading Centering Tool Specification: Material: PET Plastic Size Chart: 10cmx7cm/3.94inchx2.76inch Package Includes: 1x PSA Card Grading Centering Tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.