"DRUM TYPE SC RANGE OF SC CW 1 EA 0 TO 16 MILS,0 TO 20 MILS,0 TO 35 MILS,SECTOR TYPE SC RANGE IN MILS 1EA 0-300-600 RT TO LEFT,0-1200 LEFT TO RT; W/LEVEL VIAL AND CROSS-LEVEL VIAL; TO HOLD A LT INSTR; LT CONDUCTOR INSTR ILLUMINATION INCL; W/CARRY CASE; 4,HOLES MTD 0.19 IN. DIA SPACED ON 3.75 IN. BY 2 IN. MTG CTR; FSC APPL ANTIACFT FC EQUIP"