Standard: Boxes. Capacity = 100 unites for 66W. 50 units for all other pin styles. Option: Tape & Reel (66W and 66X only). All units with #1 pin to the right of the direction of feed. Option: Ammo Pack (66X and 66W only). All units oriented with #1 pin to the right of th edirection of feed. Option: Tubes. All units oriented with #1 pin to same side. Tube capacity = 50 units.