Black Lid Capsule Tube & 20 Air-Tite T30 Direct Fit Coin Holders for Half Dollars Capsule Measurements: Inside Diameter 30.6mm x Depth 2.03mm, Outside Diameter 36.5mm x 5.1mm Tube Measurements: 36.9mm Inside Diameter x 5" Length w/ Cap Genuine Air-Tite Holder Brand Capsules Capsules are shipped Un-Assembled between layers of foam Coins that Fit: US Half Dollars (Seated, Barber, Walking Liberty, Franklin and Kennedy Half Dollars) and 1oz Platinum Maple Leaf