Home page Support Item no: 651522 Frontal Sinus Punch, 70°, medium Quantity: On the offer list Product details For extending the frontal sinus ostium through removal of the frontal sinus floorWave design of the sheath area makes the frontal sinus punches easy to clean +–Show more Technical details Documents & Films Product group / field of application Working length13 cm ModelMedium (standard size) Size3,5 x 3 mm Sheath curvatureUpturned link chain sheath Cutting directionBackward cutting Bending angle sheath70° +–Show more