Small diameter fits well in all main string and cam grooves. Tough and durable, grips well. More economical due to twisted construction 008 Spectra Serving Thread is available in all solid colors. When serving with the smaller diameter servings like 008 Spectra, use less tension to avoid the serving material snagging on the spool. Approximate breaking strength: 46 lbs Diameter: .008" Approximate feet per pound: 18,000 Spool sizes: 1/4 lb., 1 lb., 150 yard jig