
Transparent test sticks These transparent test sticks are new in our product offering. The size of the sticks are square 15 mm and a length of appr. 9 CM. The metal sphere is visable inside the stick as we used a very clear, FDA approved, material. The kind of metal and sphere size that is inside the stick is engraved with laser so that it will be easily readable. There is a colour coding as well for quick recognition. Red for Ferrous, yelow for Non-Ferrous and Blue for Stainless Steel. The maximum diameter of the sphere inside the stick is 10 mm.


Laminated test cards These test cards are being used by most QA staff. The cards have approximately identical dimensions as a regular credit card. Same as the test sticks they are available in three different materials and various sphere sizes with a maximum diameter of 3,0 mm.
Quality manufacturingAll test samples that Stol Inspection Systems supply are conform high quality standards and are made with great care. All types are available in different sphere materials such as Ferrous, Non-Ferrous en Stainless Steel (Inox) with a wide range of diameters.
More information We will be happy to inform you which type of test sample is most suitable for your individual situation. On request we will send you a comprehensive price list in which you can find all types with available sphere diameters.