DRIVE BELT compatible ride-on mower Lawn Mower SIMPLICITY dimensions Upper belt width approx. in mm: 9.50 Upper belt width approx. in inches: 3/8 External length approx. in mm: 524.00 External length approx. in inches: 20.60 Internal length approx. in mm: 559.00 Internal length approx. in inches: 22.00 Belt Profile: 3L CODE: 8-322 ORIGINAL CODE: SIMPLICITY 157230 CZ