Great deal on a set of 3 replacement blades for the GM1072R 72″ rear mounted rear discharge lawn mowers manufactured by Frontier and sold through the John Deere network. These blades are an exact replacement for the original Frontier / John Deere part number 5WP1008199KT blades. We guarantee these blades will fit the GM1072R model, but please do not confuse the GM1072R with the GM1072E or GM1072S. These brand new, uninstalled blades are 24 15/16″ long, 2.5″ wide, 1/4″ thick with a 1″ center hole.