Tired of your tumblers slipping on your rotary? This adapter is the ultimate solution.
It achieves a perfect, slip-free fit by utilizing the tumbler's own lid gasket. Simply remove the gasket from the lid and place it onto the adapter's correct channel to securely lock the cup in place, completely eliminating slippage. The innovative, improved design includes integrated channels engineered to fit all chuck rotaries—whether you use a three-jaw or four-jaw system. Get the secure, wobble-free hold you need for perfect engraving, every time.
