28.mm
Milled from solid brass, squared profile, feather key | 28.mm1
Milled from solid brass, squared profile, feather and tongue key | 28.mm2
Milled from solid brass, squared profile, tongue key | 28.mm2a
Milled from solid brass, squared profile, tongue key, wide teeth |
28.mm2b
Stamped out with square profile, 1911 boss, tongue key | 28.mm3
Brass with rounded profile, patent boss, tongue key | 28.br4
Brass with rounded profile, deep flange, 1911 boss, single-tapped | 28.br1
Brass with rounded profile, patent boss single-tapped |
28.br1a
Brass with two holes, patent boss single-tapped | 28.br1b
Brass with eight holes, patent boss single-tapped | 28.br2
Brass with standard boss, single-tapped | 28.br3
Brass with standard boss, double-tapped |
28.br
Brass, post-war stamped, double-tapped | 28.ye
Yellow plastic, marked Meccano England, long brass pummel | 28.ye2
Yellow plastic, marked Meccano England, short brass pummel | 28.ye1
Yellow plastic, marked Meccano and bar, brass pummel |
28.bk
Black plastic, brass pummel |