This analog is for only stone models, NOT for digital models.
It has a 4.5mm diameter and has a thicker wall than SKU 14.048
It is also available in a pack of 10 - SKU 14.049P10
This analog is for both stone model and digital model use. It has a 3.5mm diameter and has a thinner wall than SKU 14.049 It is also available in a pack of 10 - SKU 14.048P10