A. Compatibility: It is suitable for Easycut 400 model (Product No. 8846), ComfortCut450 model (Product No. 8847), PowerCut model (Product No. 8848), SmallCut 300/23 model (Product No. 9805), SmallCut Plus 350/23 model (Product No. 9806), EasyCut 400/25 model (Product No. 9807), ComforCut450/25 model (Product No. 9808), Comfortcut Plus 500/27 model (Product No. 9809), and can be used in conjunction with Gardena lawn mowers. B. Efficient cutting: The string can stretch to buffer the impact on hard surfaces, and its aerodynamic shape can reduce resistance for relatively efficient cutting. The pruning shears have certain flexibility and durability. C. ABS spool and nylon string: The replacement spool is made of appropriate raw materials. The ABS spool is relatively strong, and the nylon string has good flexibility and is not prone to breaking. It supports relatively fast cutting and has a relatively long service life. D. Proper size: The diameter of the cordless lawn mower spool is 0.065 inches, which can fit the wire hole well. A 20 - foot - long spool can provide a relatively wide mowing range. E. Material: ABS + nylon F. Color: Gray G. Dimensions: 20 feet long, 0.065 inches in diameter H. Replacement spool number: 5307 - 20 I. Package contents: 4 replacement spools for pruning shears. Only the above - mentioned items are included in the package, and other products are not included. J. Precautions: Due to lighting during photography and different displays, the color of the items in the picture may vary slightly from the actual product. A measurement error of +/- 1 - 3 cm is allowed.