Amazon.com The Black & Decker String Trimmer Replacement Spool eliminates the tediousness of hand-winding most bump feed string trimmers. The 20-foot replacement spool is factory wound for optimum performance and includes a .065-inch diameter line. It is compatible with Black & Decker string trimmer models: #ST1000, #ST3000, #ST4000, #ST4050, #ST4500, #ST5000, #GE600, #ST200, #ST300, #ST400, #CST800, and #ST6800.

• 20-feet replacement spool for Black and Decker bump feed string trimmers
• Spool is factory wound for smooth, reliable operation
• Compatible with black and decker string trimmer models ST1000, ST3000, ST4000, ST4050, ST4500, ST5000, GE600, ST200, ST300, ST400, CST800, and ST6800
• Includes a 0.065-Inch diameter line
• Measures 5.8-inches height by 4.9-inches in width 2.1-inches in length; weighs 1.6 ounces
• 20-feet replacement spool for BLACK+DECKER bump feed string trimmers
• Compatible with BLACK+DECKER string trimmer models ST1000, ST3000, ST4000, ST4050, ST4500, ST5000, GE600, ST200, ST300, ST400, CST800, and ST6800

20-feet replacement spool for Black and Decker bump feed string trimmersBlack & Decker