C.R. LAURENCE DX81 CRL Black Dixon China Marker. The Dixon China Marker true, opaque pigment makes it one of the most versatile marking instruments available. Since it will mark on all glazed and polished surfaces, it is ideal for marking glass, plastic or lacquered wood. Its round shape makes writing comfortable for long periods, and to sharpen it, you merely pull the string.. Part Numbers Variations: DX81 Powered by ExportYourStore.com