Key features

• •FS 56 RC Trimmer Head Replaces for: Auto-cut 25-2, 4002 710 2191, 4002 710 2168, 4002 710 2108. Double-checking your engine's model and part numbers is a simple step that can prevent any potential errors in your purchase.
• •FS55 Trimmer head thread size: 10mm x 1.0 LHF . Uses .080" .095" or .105" line. Pre-wound with 20-ft of .095-in line. Overall Width: 4-13/16"; Overall Height: 2-11/16".
• •FS90 Trimmer Head Fits For: FS90R, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200 (1997 On), FS240, FS250, FS260R, FS460R (2011 On).
• •25-2 Trimmer Head Fits For: FS44, FS55, FS55R, FS56 (2008 On), FS56RC, FS70, FS70R, FS74, FS76, FS80 (1996 On), FS80R, FS83, FS85, FS85R, FS87, FS87R, FS90 (2005 On),
• •[EFFORTLESS LINE FEED] The line can be extended simply by tapping the head against the ground. You can adjust the line length as needed to suit different trimming tasks, effectively keeping your lawn, garden, orchard, or farm neat and tidy.
• •[DURABLE & VERSATILE]: The dependable bump feed system paired with long-lasting round trimmer line, ideal for suitable for various cutting conditions. Its smooth surface ensures tangle-free operation and increased wear resistance, particularly on hard surfaces like rocks or concrete.