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Testing Stihl Square and Stihl CF3-pro trimmer line with Stihl Fs 561-C and Stihl Fs 560-C. - YouTube
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Amazon.com: Stihl 00009304304 CF3 Pro Crossover Cords with Carbon Content, 2.7mm / 55m, Orange : Patio, Lawn & Garden
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Amazon.com: STIHL 9304303 Carbon Trimmer Line 2.4 mm x 70 m Cross-Shaped CF3 Pro : Patio, Lawn & Garden
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Amazon.com : AMTHKNO 0000 930 4300 CF3 Pro Trimmer Line / 0.095" Twisted Trimmer Line Compatible with Stihl CF3 Pro Trimmer, Work for FS91R, FS38 & FS 111 Lasted Line Trimmers -
![Amazon.com: STIHL 9304303 Carbon Trimmer Line 2.4 mm x 70 m Cross-Shaped CF3 Pro : Patio, Lawn & Garden Amazon.com: STIHL 9304303 Carbon Trimmer Line 2.4 mm x 70 m Cross-Shaped CF3 Pro : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/91+GD6O8orL._AC_UF894,1000_QL80_.jpg)