item code:801-046
Model Number = No. 90
Bit Size capacity = φ0.1 - 0.6 mm
Dia. (Shaft) / Length = φ4.5 / 105 mm

item code:801-047
Model Number = No. 91
Bit Size capacity = φ0.1 - 0.9 mm
Dia. (Shaft) / Length = φ5.5 / 110 mm

item code:801-188
Model Number = No. 92
Bit Size capacity = φ0.1 - 1.2 mm
Dia. (Shaft) / Length = φ6.0 / 120 mm

Type = Penetration

Used with burs, drills, reamers, and so on.
The penetration type which a drill can pass through the pin vice so that the length of the drill can be adjusted.