Custom Front Binding Post - (6-32) - Copper - Assembly includes (1) custom copper front binder .375" (3/8") dia. X .625" (5/8") long, (1) custom copper 6-32 x 1 1/4" contact screw, (1) copper binding screw, (2) black nylon shoulder washers, (2) # 8 copper flat washers, (1) 8-32 x 1/2" button head cap screw, and (1) 1/8" dia. nylon ball to secure the contact screw.