brace![click to hear](/images/speaker.jpg)
Hand tool, made up of an angled crank and a pawl and ratchet mechanism, for drilling holes.
jaw ![click to hear](/images/speaker.jpg)
The parts of the chuck that grip the tool to keep it firmly in place.
chuck ![click to hear](/images/speaker.jpg)
Device with jaws for attaching the bit or drill to the tool.
cam ring ![click to hear](/images/speaker.jpg)
Metal cylinder covering the crank above the pawl.
pawl ![click to hear](/images/speaker.jpg)
Small lever for changing the chuck’s direction of rotation by reversing the ratchet motion.
ratchet ![click to hear](/images/speaker.jpg)
Toothed wheel having only one direction of rotation; it is kept in place by the pawl.
quill ![click to hear](/images/speaker.jpg)
Hollow end of the front knob in which the crank turns.
front knob ![click to hear](/images/speaker.jpg)
Knob for holding and stabilizing the tool while the other hand turns the crank by using the handle.
crank ![click to hear](/images/speaker.jpg)
Angled shank whose rotation drives the chuck, by the agency of a pawl and ratchet mechanism.
handle ![click to hear](/images/speaker.jpg)
Movable part for turning the crank.