20 pieces of 1mm to 2.5mm diamond coated twist drill bits.
ALL working length is diamond coated, more long lasting.
Suitable for glass, marble, tile or rock. Please add some water when drill a hole.
5pc 1mm twist bit, 1mm shank, 10mm working length, 30mm total length; 5pc 1.5mm twist bit, 1.5mm shank, 19mm working length, 38mm total length; 5pc 2mm twist bit, 2mm shank, 19mm working length, 42mm total length; 5pc 2.5mm twist bit, 2.5mm shank, 26mm working length, 55mm total length
Please add some water when drill a hole.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 0.5 inch
Height : 0.05 inch
Length : 3 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B0080LE084