These Galena Century Radio (GCR) Brass Contact Points – Hex (Package of 10) provide the connection between the Center Finger on the GCR Rotary Switch Center Assembly and the taps on a crystal radio’s coil.  These GCR Contact Points – Hex fit all Galena Century Radio control panels and rotary switch bases.  The Contact Points – Hex measure 9/32″Dia x 3/16″H x 1.50″L with an 8-32 Thread.  This package contains; ten (10) Brass Contact Points – Hex; ten (10) Brass Flat Washers; and ten (10) Brass Hex Nuts.