Landeron 4th fourth wheel cal. 54 55 82 154 155 187 189 / part 225 (ht. 6.69mm) new

Landeron fourth wheel , part 225 (height 6.69 mm)

It fits all following calibers :

54 55 82 154 155 187 189 (and the model 48 with part 225 and height 6.69mm)

Roue de seconde (hauteur 6.69mm)

Neuf de stock / New old stock never used