Replacement Shock Absorber for 2016 TimeCutter Lawn Mower SS4200 74720 SS4225 74721, 74722 Features – Closed Length: 7″, Open Length: 10″, Hole Diameter: 5/16″, Impact Resistant. See images 2 3 for more information Includes – (1) Shock Absorber; comes as shown in first image Fits many Z-Masters and Exmark Lazer Z units Be sure to check the part number or model to ensure this is the correct shock absorber for your unit. Also note that this may replace multiple part numbers This is a quality product from the ROP Shop brand