Product Description
Product Features:
1. 5-35MM(13 steps: 5,7,10,12,15,17,20,22,25,27,30,32,35MM)
2. Material: high speed steel 6542/M2 (suitable for use on the workpiece, the hardness of 28 degrees such as stainless steel, aluminum, carbon steel, plate, insulation board, PVC board, wood, sheet thickness below about 3 mm / 0.12 in)
3. Surface treatment: TI