Rotring Collage Drafting 4 Pen Set contains .25, .35, .50, .70 nibs, drawing ink, fine lead box, eraser, dual compass attachment.

Rotring Collage Drafting 3 Pen + 1 pencil Set contains .25, .35, .50 nibs, 1.0 pencil ,drawing ink, fine lead box, eraser, dual compass attachment.

Rotring Drafting Pen Hi-Tech Set contains .25, .35, .50 nibs, .35, .5, .7 pencils, leads to suit each pencil, drawing ink, eraser, dual compass attachment + pen attachment + extension arm."