Mower Blade 16.87" long x 2.25" wide x .55" X .75" ID oblong hole. 3/16" rise between center portion and outer cutting edge portion. Gold in color. CW. .16" thick.
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.