Mower Blade 19.37" long x 2.93" wide x .95"ID hole. X .13" thick. Back edge is formed up along backside of cutting edge and continues by the mounting hole area, .35" rise, so it is not flat across mounting hole area. lime green color. CW.
Mower Blade 23.75" long x 3.00" wide x 1.37"ID hole. Reversable, Flat blade with two sets of cutting edges so it can be flipped over to use both sides. CCW. Stamped 15715.