Manuscript Dip Pen Round Hand 1 Nibs 3.15mm Bronze 24pc- Box of 24 broad chisel round hand nibs. Round hand nibs are considered traditional calligraphy nibs and are great for Roman round hand, Gothic and Uncial writing styles. Individual nibs have a 3.15 millimeter flat edge tip made from a bronze finish steel. Broader nib shapes are great for showcasing specialty ink and achieving smooth strokes.