C42 1/2" x 3/16" Roller Drive Chain for Ride-on Mower lawn mower MEASUREMENTS width in mm: 4.80 Width in inches: 3/16 Length in m: 3.00 Chain pitch in mm: 12.70 Chain pitch in inches: 1/2 Chain type according to US: C-42 Diameter of the drive rollers in mm: 7.60 PART NUMBER: 22-724 ORIGINAL CODE: CZ