Nordent Periodontal Chisel Double Ended Hirschfield 20 DL-R Handle: - Combines a sharp “hatchet”-shaped blade that is 3.5 mm wide with a straight flat blade with a rounded tip that is 4 mm wide. - Handle features 3/8”/9.5mm Diameter which is extremely lightweight for maximum tactile sensitivity. **For further product information , please contact Chat support**