Cordless Right Angle Drills

right angle
In geometry and trigonometry, a right angle is an angle that bisects the angle formed by two halves of a straight line. More precisely, if a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles.
the 90 degree angle between two perpendicular lines
An angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines
An angle of 90 degrees; the bisect of the angle formed by a single straight line

cordless
The term cordless literally means without a cord and is generally used to refer to electrical or electronic devices that are powered by a battery or battery pack and can operate without a power cord or cable attached to a fixed electricity supply such as an outlet, generator, or other
(of an electrical appliance or telephone) Working without connection to a main supply or central unit
not having a cord; "cordless telephone"
A type of phone where the handset is not connected to a device by a cord, allowing the user to move about while placing or receiving a call.

drills
(drill) similar to the mandrill but smaller and less brightly colored
(drill) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
(drill) bore: make a hole, especially with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"