This is a large nib with an equally large ink reservoir. It's known for fine hairlines and smooth upstrokes.
Brause EF66 Nib
RM9.00
Gillott 170 Nib
RM6.50
Gillott 404 Nib
RM7.50
EF Principal Nib
RM19.50
Brause Steno Nib
RM8.00