It also comes with a universal international ink cartridge which can be swapped out with a parker style ink cartridge. The function of this pen works like so: there is screw on screw off cap to protect the nib. The cap can be screwed onto the opposite side of the pen of could be placed off to the side while writing. If you choose to write with the cap screwed onto the back of the pen it might be a little too top heavy for some writers so keep that in mind.
White marble-tru-stone consists of more than 85% actual stone so your project will shine and finish with an appearance that resembles genuine stone - but drills and turns similarly to acrylics. Tru-stone blanks are made by a unique process by pulverizing semi-precious stones into a powder, then combines them with other natural pigments and resins. This item is made of marble.