Features:
Widely Usage: Can be used for glass, ceramic tile, mirror, flower pot, wood, porcelain, brick, wall, marble, thin iron plate, etc. Please keep the drill bit vertical and cool it with cooling water. Do not use on hard tiles.
High Quality: Large areas of concrete and masonry can be quickly drilled using fast drill bits and carbide bits.
Effective Operation: These bits start up faster to reduce walking through concrete blocks and blocks; Wide groove design for quick dust removal and reduced heat.
General Usage of 1/4": All drills feature the most common 1/4 inch hexagon shank providing an ideal solution for percussion drill and hammer drill/drive drilling.
Multiple Sizes: There are a variety of sizes for option, 6/6/8/10/12mm. that is 1/4 5/16 3/8 1/2 inch. You can choose the most suitable one according to your need.

Specifications:
Material: Hard Alloy
Color: Orange
Package Size: 10 * 6 * 2cm / 3.9 * 2.4 * 0.8in
Package Weight: 170g / 6oz

Package List:
2 * 1/4" Drill Bit
1 * 5/16" Drill Bit
1 * 3/8" Drill Bit
1 * 1/2" Drill Bit