Black Lid Capsule Tube & 20 Air-Tite 30mm Black Ring Coin Holders for US Half Dollars Capsule Measurements: Inside Diameter 30mm x Depth 3.17mm, Outside Diameter 44.45mm x 5.4mm Tube Measurements: 1.75" / 44.45mm I.D. x 5" H (with Cap) Genuine Air-Tite Holder Brand Capsules Rings are placed inside the capsule Coins that Fit: US Half Dollars (Seated, Barber, Walking Liberty, Franklin and Kennedy), 1oz Platinum Maple Leaf, and 1oz Gold Maple Leaf