KERRISONType – 90° upwards cuttingSize 5,0 mmLength 80 mm
BEYERType – 90° upwards cuttingSize 2,0 mmLength 95 mm
FERRIS-SMITH-CUSHINGType – curved downSize 2,0 x 10,0 mmLength 180 mm
FERRIS-SMITH-KERRISONType – 90° downwards cuttingSize 3,0 mmLength 180 mm