A. This spark plug is an accessory suitable for gasoline saws and garden machinery. It belongs to the type of motorcycle spark plugs and has a delicate design. B. The electrode is made of common materials to ensure stable ignition performance. Its cylinder diameter is 14 mm, and the spark plug gap reaches 19 mm, which can accurately match relevant mechanical equipment. It provides reliable ignition support for two - stroke chain saws, lawn mowers, etc., ensuring the effective and stable operation of the equipment. C. The opposite - side dimension is 53 mm, the thread size is 14 mm, and the screwing length is 53. These precise specifications ensure a perfect fit between the spark plug and the equipment, making the installation easy and stable. D. There are various specifications available, including L7T, D8TC, W8TC, BM6A, CM5H, A7RTC, CM6A, F7TC, CMR6H, A7TC threads, A7TC, etc. These diverse options can meet the specific needs of different gasoline saws and garden machinery. Whether it is a small household gasoline saw or a large - scale professional garden machinery equipment, a suitable specification can be found. E. Whether for daily garden pruning work or professional garden maintenance projects, this spark plug can be a reliable ignition partner for garden machinery, bringing convenience and efficiency to garden work.