Stainless steel   S143 material 
1 x 34mm Cube 
Can be  made smaller or bigger if needed. Please get in touch 
These make great display block , paper weights material weights can also be made from stainless steel to make it heavier for door stops and desk names display or even table place name which I can engrave the item for a FREE QUOTE please get in touch for engraving
S143 stainless steel provides useful corrosion resistance in mildly/moderate corrosion environments and is similar to that of basic 300 series stainless steels. In accordance with the latest issue of British Standard S100, billets and bars, and where practicable, forgings shall be subjected to ultrasonic examination.
Maybe a little bigger, never smaller