G25-150 G25150 Twist Drill 5" Straight Shank 4 Flutes Diameter 2.0mm Maximum Inside Diameter 1.2mm Cannulation 25mm Round End G25-151 G25151 Twist Drill 5" Straight Shank 4 Flutes Diameter 2.7mm Maximum Inside Diameter 1.3mm Cannulation 25mm Round End G25-152 G25152 Twist Drill 5" Straight Shank 4 Flutes Diameter 3.5mm Maximum Inside Diameter 1.8mm Cannulation 35mm Round End G25-153 G25153 Twist Drill 5" Straight Shank 4 Flutes Diameter 4.0mm Maximum Inside Diameter 2.0mm Cannulation 35mm Round End G25-154 G25154 Twist Drill 5" Straight Shank 4 Flutes Diameter 4.5mm Maximum Inside Diameter 2.1mm Cannulation 40mm Round End