JEGS module holder with storage case protects 54 (45 RPM and 9 Retard) modules for use in your MSD ignition box. Molded from solid yet pliable urethane to isolate each module and absorb vibration either on the road or being tossed about in the pits. Compact 6'' wide x 1-3/4'' high x 4-1/2'' deep case easily stores in your glove or tool box. Made In USA