DOP91VG047GSK Loop-Saw Chain. XtraGuard® 91VG Semi Chisel Chain. 3/8" Pitch Low Profile .050 Gauge 47 Drive Links. Fits Skil model 1600, 1601, 1602, 1610, 1611, 1612, 1613, 1614, 1616, 1620, 1622, 1624, 1631 Type 3, 1634, 1635, 1636, 1700, 1705, 1712 Chain Saws.