The larger set includes all 10 tips; the 5 from the # SET99X5 plus 0.4mm(1/64"); 0.8mm(1/32"); 1.2mm(3/64"); 1.5mm(1/16"); 2.0mm(5/64"); 2.3mm(3/32"); 3.0mm(1/8"); 3.9mm(5/32"); 4.7mm(3/16"); and 5.5mm(7/32") tips. Use with # BPH interchangeable-tip pen.