Swisher 17.5-Inch Blade 3 Pack Fits ZT20050 & ZT2250 10099 Swisher 17-1/2-inch replacement blade has been specifically designed to keep your machine running at its peak level Make your mower cut like new by replacing the blade for a precise, sharp set, ready to get the job done Fits ZT20050 & ZT2250 (model 10099) Swisher replacement blade measures 17-1/2 inches Includes 3 per pack