ALUMINUM COMPASS WITH 5% GRADUATION, BASIC NAME ALUMINUM BODY COMPUTER NEEDLE WITH NDFEB MAGNETO PERCENTAGE SCALE WITH 5% GRADUATION SCALE EXTERNAL CLINOMETER WITH 2 DEGREE INCREMENTS ADJUSTABLE MAGNETIC DECLINATION SEMI-TRANSPARENT MIRROR DIMENSIONS 92 X 72 X 33 MM ADDITIONAL REQUIREMENTS BROWSE COMMERCIAL REFERENCE 50 PACKET NOTE: – ACCURACY IN AZIMUTH OF +/- 1/2 DEGREES WITH SCALE GRADUATED IN 1 DEGREE, ALLOWING READING OF UP TO 10 MINUTES; – INTERNAL CLINOMETER FOR VERTICAL ANGLE MEASUREMENTS OF +/-90 DEGREES OR 100% OF THE RAMP; – ACCURACY OF +/- 1/2 DEGREE ON 1 DEGREE SCALE, ALLOWING UP TO 10 MINUTES READING; – TWO BUBBLE LEVELS ON THE OUTSIDE OF THE BODY OF THE INSTRUMENT; – TABLE OF SINS AND TANGENTS FROM 0 TO 45 DEGREES IN THE BODY OF THE INSTRUMENT; – CUSHIONED AND SUPPORTED NEEDLE ON SAPPHIRE BEARING; – FITTING FOR TRIPE SUPPORT IN THE CENTER OF THE BODY; – NEEDLE LOCK MECHANISM ADJUSTABLE IN TWO POSITIONS: UNLOCKED OR LOCKED; – WATERPROOF; – WITH LEATHER COVER