| GENERAL CHARACTERISTICS ITEM DESCRIPTION | THE IGNITION DEVICE (MATCH) SHALL BE A 9 GUAGE (APPROXIMATELY 0.148 INCH,0.38CM NOMINAL SHAFT DIAMETER) OR 10 GUAGE (APPROXIMATELY 0.135 INCH,0.34CM)FOUNDRY NAIL, 6 INCH (15.2CM) IN LENGTH WITH APPROXIMATELY 1/2 INCH DIAMETER HEAD. THE NAIL SHALL BE COATED ON THE HEAD ONLY WITH A MINIMUM OF 0.04 GRAMS,BUT NOT MORE THAN 0.1 GRAMS OF AMORPHOUS RED PHOSPHORUS |