MA220-C

* Carbide measuring face
* Ratchet stop
* Used for measuring spline shaft,
groove and key groove.

MA220-D

* Carbide measuring face
* Ratchet wheel load
* Used to measure small
grooves, keyways, etc.

MA220-E

* Ratchet wheel load
* Adapt to measuring the fimension that is
not easy to measure

MA220-F

* Ratchet wheel load
* Disc measuring face can measure small
slot, it can also measure the length of gear
tooth tangent.

MA230

* Flat measuring surface
* Ratchet stop
* Interchangeable anvils

MB310

* Carbide measuring face
* Ratchet stop
* Used to measure brake disc
thickness in car