the.com/allen wrench

The L-shaped key that assembles your furniture and ends your marriage, hexagonally.

means A small L-shaped hexagonal hand tool that fits into hex-socket screws and bolts, used to tighten or loosen them.

from Named for the Allen Manufacturing Company of Hartford, Connecticut, which patented and popularized the hexagonal socket screw system in the early 1900s — the wrench inherited the company's name the way some tools do, becoming a generic term (a small act of branding immortality, similar to how 'thermos' and 'kleenex' slipped into everyday speech).

real name
Hex key, Allen is a brand name
origin
Named after Allen Manufacturing Company, 1910s
design genius
Six contact points, no stripped corners like screws
ikea's secret
One size fits nearly all their furniture
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