A. It is durable and practical. B. It is made of materials that ensure durability and practicality. C. It is exquisite and delicate, and well - matched with the original equipment. D. The automatic feeding system can replace the spool, saving the time of manually winding the lawn mower cord. E. The spool cap can protect the lawn mower cord and keep it fixed on the lawn mower. F. It is sturdy and has a relatively long service life. G. It is easy to install and reliable to use. Specifications: A. Dimensions: The spool has a diameter of 1.65 mm and a length of 12.2 m. B. Compatible models: It is suitable for Black & Decker GL315, GL350, GL650, GL337SB, GL546SC, GL650SBC, GL651SB, GL652, GL653, GL65, GL656, GL660, GL670. C. Color: As shown in the picture. Precautions: A. Due to various factors such as monitor brightness and light brightness, the actual color of the product may have a slight difference from the pictures shown on the website. B. Slight manual measurement errors in the data are acceptable. Packing list: 2 spools