-25 Pcs RONIX HSS Twist Drill bit set Included sizes: 1-1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-8.5-9-9.5-10-10.5-11-11.5-12-12.5-13 mm
-Double Groove Thread Chip Removal Design Good Drill Bit Set Fast Drill Speed Impact Driver Bit Set for Wood Sheet metal Plastic Sheet Alloys, etc.
-hardened and forged steel for longer life
More Stable Hardness High Speed Steel Integrated Molding Quenching Treatment
-hardened and forged steel for longer life span
-Ronix drill bit set fits the majority of power drill currently on the market and come with a portable storage box for easy storage and organization
-chrome finish surface to prevent rusting and longer life
-Multi Functional Great Bit Set for Metal/Wood/Plastic Countersink Suitable For Home DIY and General Building/Engineering Use