Straight and flexible jaw - Equal pressure on bars, tongue and corner of mouth - Made of stainless steel and apple scented resin - Thickness: 10,5 cm: 19 mm - Needles: 120 mm - Rings: 35 mm 11,5 cm: 20 mm - Needles: 120 mm - Rings: 35 mm Other sizes: 20 mm - Needles: 154 mm - Rings: 41 mm
