DIY Frequently Asked Questions / Spiral-Ratchet Screwdriver
- DIY Frequently Asked Questions / Spiral-Ratchet Screwdriver')"> Also called Yankee Screwdriver or Yankee Push Drill.
- Drills and removes screws using a ratchet mechanism similar to a push-pull drill, with driving action provided by pushing straight down on the handle.
- It has an adjustable chuck to permit interchanging different size driver tips and drill points.