1. Ruko - Twist Drill HSS – COBALT 5

- Size : 1 - 13 mm

- Application for Stainless Steel, Unalloyed & Alloyed Steel (Up to 1100 N/mm²) Hot and Cold Working Steel, Reinforced and Case Hardened Steel and Also Steel Resistant to Rust and Acid.

- Made In Germany

2. DeWalt

- Type : DCD771C2-B1

- Battery volt : 18 V 1.3 Ah

- Battery type : XR Lithium-ion

- Chuck capacity : 13 mm