Cardboard Vault Card Centering Tool & Toploader Thickness Guide

Use this tool to determine card centering. Once measured the chart will show you if the centering meets the current centering threshold for the major grading companies. On the reverse side you can find a top loader thickness guide ranging from 35 point to 180 point. This guide will show you which size top loader will fit your card just right to prevent you from forcing a card into a smaller top loader.