By adding a pulley system

Number of Teeth: 21

Oregon’s narrow kerf cutting systems require less power from the saw than standard cutting systems which means they are more efficient

STC61A-25KA

The KASK Zenith FF (Full Face) Visor shields your whole face from debris and provides another form of protection for eyes

Oregon - 120DGEA061 - Single Rivet Guide Bar, 12", 3/8" Low Profile Pitch, .050" Gauge, 48 Drive Links Case By adding a pulley systemSpecifications: Bar Length 28" Pitch 3 8" Gauge . 050" Drive Links 91 Tail Mount D025 Product Family PowerCut Replaces the Following OEM Bars: Fits the Following Models: Stihl 029 Stihl 031 Stihl 030 Stihl 034 Stihl 036 PRO Stihl 038 Stihl 039 Stihl 036P Stihl 044 Stihl 044 MAGNUM Stihl 044M Stihl 045 Stihl 046 Stihl 042 Stihl 036 Stihl 040 Stihl 032 Stihl 046 MAGNUM Stihl 064 Stihl 066 Stihl 066 MAGNUM Stihl 088 Stihl MS 440 Stihl MS 440 MAGNUM Stihl