High-quality 38-gauge 3-barb pre-cut rooting needles. Ideal for rooting hair. Pkg/8. Rooting hair is one of the most effective ways for creating a very life-like baby. When done well it looks just like the baby grew the hair with each little follicle poking through her gentle skin. This art form is called micro-rooting. Effective micro-rooting requires a high quality fine needle that will grab only a few hairs at a time. The needle must be very strong and very fine in order to do this. These needles are the best available and are 3-barb 38 gauge construction perfect for high quality micro-rooting.