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 14.37" long x 2.00" wide x .75"ID hole x .20" thick. Clockwise. Allidin UWH5, Toro 106108 and 106635 is a set of 3. Blade is stamped 106108.
Mower Blade 20.50" long x 2.50" wide x .75"ID center hole, outer holes .38"ID. CW. 1720679 supersedes to 1687014. This is part number 1720679 new OEM Simplicity.