Professional Card Grading Centering Tool -PSA / BGS / CGCProduct Description Product Description Usage 1. 5 7 times magnifying glass for both handheld and desktop use: Use it to carefully examine the appearance conditions of the centering, surfaces, corners and edges. It can be used either on the desktop or handheld, facilitating detailed observation over a large area. 2. Centering verification tool: Made according to the standards of rating companies. After referring to the instruction manual, you can