Phi Beta Kappa keys are made to the standards specified by the Society and are available in three different sizes. Each is available in either 10 karat solid gold or 24 karat gold electroplate. Each of the three key sizes is available as a key pin. The key pin has a finding permanently attached to the back of the key. The bar pin is also available which is engraved with the member’s chapter. Bar pin/key combinations are made in two sizes. Keys are sold without chains, which are available separately. Each key is engraved with the member's name, chapter, and calendar year of election. For the member’s name, a maximum of 16 letters and spaces can be engraved. Chapter names are engraved in accordance with instructions on file at the Society.