FGHGF HCS Hole Saw Set Woodworking Cutting Kit Wood Metal Drilling Power Tool Core Drill Mandrels Bits 19-127mm Hole Cutter

Important note before buying:

Different color means the hardness varies.

The heardeness sequency:

Blue ＞ Red ＞ Yellow ＞ Grey

That’s why the price varies so much in same type of different colors.

Please read the 1st picture below clearly, to chose the set which could match your demand. Any demand out of the epxressions will be not regarded as a quality issue if there’s any dispute.