13 Piece Drill Bit Set

drill bit
drilling bit: a bit used in drilling for oil
Drill bits are cutting tools used to create cylindrical holes. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.
Mini-Cons are a human-sized race and faction of power-enhancing transforming robots in the universe and its sequels, one of the assorted universes in Transformers fiction.

piece
a separate part of a whole; "an important piece of the evidence"
an item that is an instance of some type; "he designed a new piece of equipment"; "she bought a lovely piece of china";
A portion of an object or of material, produced by cutting, tearing, or breaking the whole
An item of a particular type, esp. one forming one of a set
patch: to join or unite the pieces of; "patch the skirt"
One of the items that were put together to make something and into which it naturally divides

set
A group of people with common interests or occupations or of similar social status
put: put into a certain place or abstract location; "Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"
A group or collection of things that belong together, resemble one another, or are usually found together
A collection of implements, containers, or other objects customarily used together for a specific purpose
a group of things of the same kind that belong together and are so used; "a set of books"; "a set of golf clubs"; "a set of teeth"
fit(p): (usually followed by `to' or `for') on the point of or strongly disposed; "in no fit state to continue"; "fit to drop"; "laughing fit to burst"; "she was fit to scream"; "primed for a fight"; "we are set to go at any time"

13
thirteen: being one more than twelve
thirteen: the cardinal number that is the sum of twelve and one
Year 13 (XIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.