These nibs are not standard size, they are compatible with V169, P20, P30 and V126 only. Notice： These nibs areNOT compatible with V200, P36, P50 and P80. Notice：These nibs are NOT compatible with V200, P36, P50 and P80.
These nibs are not standard size, they are only compatible with Asvine fountain pen V169, P20, P30 and V126 Series, not fit P36. Easy to replace the nib by twisting it out and back.