MODEL Shived GAUGE 12 MARK Cheddite CLOSING Adapted for crimp or roundclosure. USE Classic Cartridge NOTE: This case can be used in shot shells with crimp closure 1 Tube Plastic 2 Edge no Shived 3 Inner base Plane 4 Primer Cheddite CX 2000 5 Total Height 69.00 mm 6 Height Base 16.50mm 7 Height Inner Tube 63.5 mm 8 Diameter of Inner Tube 18.85 mm