[Cutting Spool Replacement] 11ft long cutting line provides greater mowing range. Portable 0.065 inch diameter nylon cord allows for quick and easy trimming and longer life. [Compatible with Greenworks] 0.065 inch replacement spool is compatible with Greenworks 21222A 21602. You need to confirm the model when selecting. [Single Coil] Flexible bending and long service life. Use centrifugal force and aerodynamics to reduce drag and cut fast. The high-quality aftermarket spool is strong enough to hold the spool firmly and keep it safe while mowing. [Convenient Tool] It snaps in place and can be replaced quickly and easily without tools. Pre-winding can achieve maximum reliability and uncompromising performance, is safer and faster than manual winding, reduces damage to the mower, and does not get stuck when mowing. Tool cord trimmer replacement: Professional lawn mower tools will save you a lot of time and effort to mow the garden lawn, making your garden cleaner and more beautiful. Product Description Compatible Models : 21222A, 21602, 21062, 21132, 21242, 21282, 21302, 21332, 21262, 21312, 21342, 2100302 Coil Material: 70% Nylon + 30% Fiberglass Size: 4pcs/6pcs (optional) Package Included: 4 X Replacement Trimmer Spools Note: Due to manual measurement, please allow a difference of 0 to 3 cm. Thank you for understanding. The monitor calibration method is different. The color of the product shown in the photo may be slightly different from the actual product. Please refer to our size before ordering. Delivery Quantity: 4 pieces