Key Features Genuine Briggs & Stratton service tool manufactured to original equipment standards for correct fit and dependable use. Correct spark plug fitment designed to suit Briggs & Stratton spark plug sizes. Safe & controlled operation helps prevent damage to spark plug threads and cylinder head. Durable steel construction built for long service life in workshop or domestic use. OEM tool reference: 89838S ensures accurate identification and confident ordering. Socket sizes: 3/4'' and 13/16''; Length: 95mm for versatile spark plug servicing. Product Details Product Type: Spark Plug Spanner Brand: Briggs & Stratton Part Number: 89838S Material: Steel Compatibility: Suitable for Briggs & Stratton spark plugs Application: Spark plug removal and installation Compatibility Designed for Briggs & Stratton small engines, including walk-behind lawnmowers, ride-on lawnmowers, garden machinery and outdoor power equipment Always confirm spark plug size and access requirements before use