Description 13pcs 19-127mm Alloy Hole Saw Cutting Set Hole Drill Bit Woodworking Hole Saw Cutter Specification: Material: Hard Alloy Diameter of Drill Bit: 19-127mm (19mm,22mm,25mm,28mm,32mm,38mm,44mm,54mm,64mm,76mm,89mm,102mm,127mm) Sawtooth hardness: HRC4-48 Allows cutting through a depth about 25mm (for plastic). Features: 1. Adopts high quality material,high-frequency quenching serration. 2. Working depth reaches 25mm, can be used on installing home downlight, spotlight. 5. Suitable for drilling plasterboard, plastic which is within 25mm depth. Package Included: 1 x Hole Drill Bit Set(13pcs) Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, pls understand. More Details: