Bakelite Fuse containers believed to be for German 88. WW2-dated. Waterproof. Marked Zunderbruchse. These fuse containers are great for geocache. Heavy brown bake light plastic with finely machined screw-on lid . Measures 5 1/8" long x 2 3/4" diameter at the top and 1 1/2" diameter at the bottom. some are dated ww2 or earlier inside.