The Card Grading Boss Tool Kit by J&P Design & Mfg. LLC is a plastic tool designed for sports trading card enthusiasts, specifically for baseball, soccer, ice hockey, basketball,Golf,Racing,PokieMon and football cards. It is perfect for perfecting the centering of cards for grading by PSA, BGS, or SGC. This tool is ideal for ensuring that your sports trading cards are in top condition for grading and collecting, making it a valuable accessory for any card collector. Thiis Tool Kit takes out the Possability for error by holding The card and centering Tool in place though out the reading of of the Centering percentages. The Purchase is for the Bule Grading Boss Tool Kit for those that need the card centering tool also and for users that have already bought the Centering Tool We have another listing with just the Tool Boss. The Grading Boss will pay for itself first time used and we stand behind it 100%. If for any reason you dont like it send it back for a full refund with-in 30 days of delivery. Made in American By Disabled Veteran.