Description Genuine OEM part For 2 /3" Narrow Bars This cover is typically used on a 16-18" bar This is for the smaller saws with a narrow bar. PLEASE NOTE: Consult owner's manual for proper part number identification and proper installation. It may look like the right part, but it may not fit your particular machine All NEW scabbard design thatâs specific to guide bar length, offering 100% coverage. With our newly designed STIHL scabbards, you can keep your STIHL chainsaw and pole pruner fully protected during transport and storage. Each scabbard is uniquely designed to fit a specific guide bar length, offering 100% coverage. And while we were at it, we made them even easier to install â giving the scabbards a funnel-shaped opening and improving clamping.