The cord size for the STIHL DuroCut 20‑2 trimmer head is 0.120 inches (approximately 3.0 mm) of serrated nylon line.
STIHL DuroCut 20-2 String Trimmer Head, Model# 4002 710 2182

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- Easy Loading - These easy-loading cutting attachments do not require any disassembly of the head.
- Manual Head - This product requires the use of precut lengths of nylon line.
- Multiple Cutting Solutions - Compatible with multiple cutting solutions.
- Variations Available - This product is available in a variety of sizes and configurations. See dealer for details.
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