This is a original in the package new old stock  It is a D71 20 inch Oregon cutting chain. It fits Mint unused condition. Fits McCulluch 1-10, 1-20, 3-10,4-10,5-10, 6-10, 7-10,10-105560,70, 555,570,610, 610L.650,700,800.850,SP80,SP81. Wards 30022,24086. You sharpen using a 7/32 file. Buyer to pay shipping of 5.50, ask for overseas shipping cost about 25.00thanks for looking.