Specification:

Material: Tungsten Carbide
Cutting Edge Diameter: 0.012"-0.047"/0.3-1.2MM
Length of Cut: 0.217"-0.413"/5.5-10.5MM
Total length:38mm
Set size:0.30,0.40,0.50,0.60,0.70,0.80,0.90,1.00,1.10,1.20mm
Suitable Materials: print circuit board Print Circuit Board CNC
Quantity:10pcs(Each size 1pcs)
Package: come with box
Features: wearable excellent Print Circuit Board drilling work!