:replacement Shock Damper for 2016 SS4200 74720 SS4225 74721, 74722 TimeCutter MowerSpecs – Closed Length: 7″, Open Length: 10″, Holes Diameter: 5/16″, Shock Resistance. Refer to images 2 3 for more informationIncludes – (1) Shock Damper; comes as shown in the first imageFits many Z-Masters and Exmark Lazer Z unitsPlease be sure to check your part or model number to ensure this is the correct damper for your unit. Also, please note this may replace multiple part numbersThis is a Quality ROP Shop Brand Product