3PCS Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Multi Size Hole Stepped Up Unibit for DIY Lovers Garpar The battery is designed to

The battery is designed to withstand extreme temperatures

the external handle is convenient for carrying

so there is no any problem to be used in any bad weather

or need a reliable light source in dark environments

¡¼Waterproof & Widely Application¡½Anti-slip handle designing

3PCS Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Multi Size Hole Stepped Up Unibit for DIY Lovers Garpar The battery is designed toAbout this item High QualityThe step drill bits are made of classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, wood board, copper, stainless steel and many other types of sheet metal Two Flute DesignTwo flute design makes it easier for cutting, provides smoother, accurate, faster cutting, it's really good tools for us 1 4" Hex ShankQuick change 1 4" (6. 35mm) hex shank, which can