Spiral Ratchet Screwdriver - Slotted Head
Also known as the Yankee Screwdriver, spiral ratchet screwdrivers are used for reducing the effort of driving screws by hand.
See this video for an explanation of how they work
Spiral Ratchet Screwdriver - Slotted Head
Also known as the Yankee Screwdriver, spiral ratchet screwdrivers are used for reducing the effort of driving screws by hand.
See this video for an explanation of how they work