Troy Bilt V-Belt part# 1772310 is a 1/2" wide, standard V-Belt. This part is used for the auger drive on Troy Bilt Snowblowers. Following is a list of models this belt is used on; 42010, 42012, 42033, 42034, 42036, 42039, 42040, 42041, 42051, and 42052. There may be models or applications not listed here so please refer to your owners manual.