Unidad de plumín Osmiroid, 63 grados de plumín diferentes para elegir, vendedor del Reino Unido
English Made, These nib units are compatible with the Esterbrook Model J fountain pens along with the Burnham No. 44, B45 & B48 screw in fountain pen series. Rolatip E.F. (Wing). 65 Rolatip Wing. Manifold (65 Model).