Brass Front Binding Post - 8-32 - Assembly Includes: (1) Brass Front Binding Post .312" (5/16") Dia. X .625" (5/8") Long, Tapped For 8-32 Mounting, (1) 8-32 X 1 1/4" Long Brass Contact Screw, (1) 8-32 X 1/2" Button Head Cap Screw, (2) Black Nylon Shoulder Washers, (2) #8 Steel Flat Washers, (1) Brass Binder Screw, And (1) 1/8" Dia Nylon Ball To Lock The Contact Screw In Place.