It fits on the Husqvarna 61, 65, 66, 162, 162SE, 162SG, 260, 266, 272 & 281 models. 20" OREGON Pro Forestry Kit - Guide Bar, 2 Chains & Filing Kit. The kit consists of a 20" PowerCut solid nose guide bar, 2 x 73EXL chainsaw chains and a 7/32" (5.5mm) filing kit.