This needle felting comb is a handy tool for holding wool roving in place while needle felting. The length of the prongs can be adjusted by turning the knob at the end of the handle, and your felting needle will easily glide between the prongs. This tool is a great way to protect fingertips from accidental needle sticks.Details:7" (17.8 cm) length with prongs fully extendedRetractable prongsTurn knob to adjust prong lengthFelting needle easily glides between prongsProtects fingertips while you felt