3pcs HSS Steel Step Cone Drill 3-12/4-12/4-20mm Titanium Bit Set Hole Cutter Safe for mixing and rolling

Safe for mixing and rolling by plain hands

Compatibility: Supports Bluetooth or mobile phones with hands-free Bluetooth protocol and other portable devices that support AVRCP

Whether it's sitting on a desk or a bed side table

Wipe clean

3pcs HSS Steel Step Cone Drill 3-12/4-12/4-20mm Titanium Bit Set Hole Cutter Safe for mixing and rolling100% Band new Automatically Deburrs Holes as you Drill. Two flute Design Gives You Faster, Smoother Cutting. Titanium Nitride Coating for Cooler Running, can effectively extend the service life of the drill Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,PVC Material : High speed steel . Long life ! Comes with a storage pouch Titanium coated to reduce friction and heat Ideal for using to cut holes in a