|Style||Dual-Flute Step Bits|
|Number of Steps||1|
For user convenience and accuracy, each bit has laser-engraved reference marks you can see while drilling. The 3-flat Secure-Grip™ shank ensures a solid connection with the drill chuck. The #7 Step Drill Bit comes in one hole size: 7/8". Jam-Free Performance in high speed with most professional 18 volt cordless drills with lithium-ion battery technology.