This calibrated small sphere is ∅ 14 mm and made in 420-C Stainless Steel. Is used to close the bottom cavity of the Magic Sphere Valve when is set up in pipe configuration. This 420-C steel contain a carbon content between .15% and .40%, this steel grade is widely used to make high end razor blades, surgical scalpels etc. Is suggested to buy a minimum of two to be able to use the Magic Sphere Valve as bending tool for the filters that are included in the Tool Kit.
One will be attached to the bottom to protect the cavity ream when striking the filter in the bowl cavity with the second sphere on the top. The flat filters will become semi spherical and sit in the bottom of the sphere bowl to hold the substances that are going to be inhaled.