1. Spool material: ABS, thread material: nylon 2. Strong toughness, not easy to break 3. Field of application: Forestry 4. Specification: a set of 4 coils 5. Suitable for Black & Decker BLACK+DECKER lawn mowers 6. Wire size: 9.144m long, 1.65mm diameter 7. Unit weight: 202g a box