Power Sharp the easy-to-use, precision sharpening system that gives chain saw users the power to sharpen their chain in a matter of seconds with a simple-to-use attachment. MAKITA 45cm Sprocket Nose Bar 191X03-0 | Total Tools Oregon 120SDEA041 Chain Saw Guide Bar Double Guard 12 New NOS USA Mad... Bars with the Power Sharp feature icon have the holes to accept the Power Sharp bar mount sharpener. Oregon Bar for woodcutters using electric or small gasoline-powered saws with 91 Low Profile chains or 1/4-pitch 25A(P) chain. 18 Single Rivet Guide Bar, 0.50 Gauge, Sprocket-nose, 3/8 Low Profile Pitch. Part Number: 180SDEA095. Product Name: Oregon BAR 18IN STANDARD 91 SERIES Slim symmetrical contour bar is light in weight, manoeuvrable, and reversible for long life 16 Chain Guide Tronçonneuse Oregon 180SDEA095 Single Rivet 45 Cm 18 Inch Sprocket Nose Bar Compatible with Oregon's innovative power sharp precision saw chain sharpening system