Walter Tools A1163-6.9 6.9 mm Solid Carbide Twist Drill, 22 mm Length of Cut, 20.7 mm Maximum Cut Depth, 34 mm Extension Length, 74 mm Overall Length
| Country | USA |
| Manufacturer | Evernight Teen |
| Binding | Kindle Edition |
| ReleaseDate | 2017-02-23 |
| Format | Kindle eBook |