Idech ASK-MW23Packaging type - OEM package - Fits straight shaft trimmers with solid drive shaft; vertically as an edger - Includes standard 18/15 tooth blade set - Patent pending design prevents kickback and thrown debris - Bottom disk is designed to rest on the ground and prevent scalping - Blade rotation stops quickly when throttle is released - Safer to use around areas with sand or water, can even be used in shallow water - Replacement blades available in standard 18/15 tooth with optional sets available of 21/18 teeth or 28/24 teeth - Includes adapters to fit a variety of common trimmers - Includes adapters: 6mm-10 teeth, 7mm-13 teeth, 7mm-7 teeth, 8mm, 9 teeth and 5.2mm-square