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Black leather box with blue velvet interior. In the bottom of the box is a glass rectangle with two ridges that run the width of it and two ridges that run down the width separated by a length way notch. The rectangle reads, "Spencer Buffalo USA. Improved Neubauer 0.100 m.m. deep 1/400 sq m.m." Above the glass rectangle is a glass tube with a bulb at one end. The tube is granulated. A piece of orange material is in the bulb. A second tube with a bulb is above the first tube. It is also granulated and has a piece of red material in the bulb.