Buy 7mm Allen Key [360p]

The 7mm size is most frequently required for specialized automotive and cycling tasks:

The 7mm Allen key (or hex wrench) is a metric tool frequently described by DIYers and mechanics as "the missing link." While it is technically a standard metric size, it is notoriously absent from most basic consumer sets, which typically skip from 6mm to 8mm. Common Applications buy 7mm allen key

7 mm hex key - old handlebars, cranks & more - Bike Gremlin US The 7mm size is most frequently required for