Akua Needle Applicator Set, 5 Refillable 1 oz Bottles with 5 Needle Tips (N-VARI) Ideal for drawing lines onto monotype plates Stainless steel flow-through needles will not clog and withstand repeated use The lines produced by the tips are similar to those from technical pens Set of 5 tips allows for many different line types and widths The Plastic Tapered Cone Tip is very tough and so it is fine for kids to use