Surebonder CP2-3 2 Piece Clean-Out Wax Pucks for Cray-Pen Painting Tool 2 clean-out wax pucks Dip the tip of your Cray-pen into clean Out wax Cleans Out any residue color Still left in your Cray-pen tip Used with Cray-pen painting tool- #cp-1 Additional color wax pucks available-#cp6-1, #cp6-2, #cp6-3, #cp2-1