1. Roller lever to reduce frictional forces
2. Micrometric adjustment to 0.01 mm of the driving height.
• Anodized aluminum frame with non-slip base
• 4H7 reaming in spindle and base
• Useful working height 24 mm
• Spindle with low coefficient of friction thanks to a bronze bearing
• Detachable spindle
• Removable lever to use the tool as a reaming tool
• Complete unit in wooden box N° 31300