C50 5/8" x 3/8" Roller Drive Chain for Ride-on Mower lawn mower MEASUREMENTS width in mm: 9.50 Width in inches: 3/8 Length in m: 3.00 Chain pitch in mm: 15.90 Chain pitch in inches: 5/8 Chain type according to US: C-50 Diameter of the drive rollers in mm: 10,00 PART NUMBER: 22-726 ORIGINAL CODE: CZ