Set of 2, Brake Pucks For Part number 120951X, 532120951 Craftsman, Husqvarna, Poulan. 2 Brake Pucks For Part Number 120951X or 532120951 Aftermarket part, the OEM for this part is no longer available 1-5/16" Long, 1/2" Wide, 11/32" Thick Used on many mowers made with Dana transaxles.