This listing is for the remaining balance for two commissioned pens. Red prismatic pearl in the guardian model with jowo #6 medium steel nib. Teal prismatic pearl in the guardian model with jowo #6 medium steel nib. Our pens (and blanks) are made using alumilite resin, which is specially formulated for turning on a lathe and it creates a more durable finished product, unlike some other resins/acrylics which are quite a bit more fragile and prone to shattering.