1) Compatible with TR810/ET8000 2) HD nylon 66 3) ISO9001:2000 Printer Ribbon for Features:1) Compatible with TR810/ET8000 2) HD nylon 66 3) ISO 9001:2000 4) Good after-sale service5)Color: black and red6) Long printing life,High quality, Reasonable price7) Packing: VERBATIM brand or white packing dot matrix printer ribbon for TR-810