Do you want to select the correct tip for your probe? Just take a look into the list of possibilities and find the best touch tip for your needs.
Basic fixed tips
The basic tips are often used in simple applications or for training purposes. The main benefit is cost/value ratio.
These tips are made from stainless steel, and have 3mm dia touch ball.
Fixed ruby ball tip
Exchangeable ruby ball tips
Exchangeable tips are suitable for the users, which need to exchange the different lengths of tips often. It is not necessary to open a probe for tip exchange. Probe has M2.5×0.45 terminal, and all tips have M2.5 thread.
The overall length depends on the selected variant. Sensor with M2.5 terminal has 25mm and tips are available in the lengths 16mm, 36mm and 56mm
M2.5 extenders
Extenders allow to use both, the standard fixed tips, and M2.5 screwable tips in your probe.
The shorter one is usually used in DIG3D probes, and the longer one is used in DIG3D.Fix
Adapters

Touch plates
Touch plates are mostly used in DIG3D.Fix sensor. You can select from two materials, ceramic plate or stainless steel, and three head diameters, 10mm, 15mm and 20mm. All touch plates have M2.5 thread.