Windsor Dura Tip Chain Saw Bar for the following McCulloch Chain Saw models: 60, 70, 81, 81, 55, 555, 655, 605, 610, 650, 700, 800, 805, 850, Pro Mac 645, 655, 700, S/800, 800 RO Mac 645, 655, 700, S/800
20" bar length, .050 gauge, 3/8" pitch, 72 drive links
