Craftsman Sears High Wheeled Trimmer Mow Ball Assembly 182217 Includes 1 mow ball assembly as pictured Replaces part number 182217, 532182217 Fits a variety of Sears Craftsman High Wheeled trimmers including: 917773703, 917773704, 917773705, 917773706, 917773707, 917773708, 917773710, 917773711, 917773730, 917773740, 917773741, 917773742, 917773743, 917773744, 917773753, 917773754, 917773760, 917773761, 917773762, 917773763, 917773764 This part sits on the ground while you are trimming