Solids Of Constant Width Sets- Large size Phone Stand there’s no need to manually

there’s no need to manually rotate each roller to apply grease to your pins

and overuse of muscles

We have upgraded the pin material to a higher alloy 8620 steel for longer durability

75" in diameter

Solids Of Constant Width Sets- Large size Phone Stand there’s no need to manuallySet of Cones of constant width. This model is the large size. CNC machined in Canada out of brass or aluminum bar stock. Approximately 1. 75" in diameter. These are machine finished and light hand polishing is done. These are non spherical solids that amazingly have constant width in every directionallowing them to roll smoothly. They are derived from two dimensional curves that were put into use by the 19th century German engineer Franz Reuleaux.