Allen Fan Scale (Metric) The no-nonsense rotary bezel switch

The no-nonsense rotary bezel switch is easy to operate

Great for: Large tablets like the iPad

17-COML 3/8" x 2" LG Capscrew 2

Materials: Tough

Use your head

Allen Fan Scale (Metric) The no-nonsense rotary bezel switchAllen engineering scales for use on maps in posting oil wells, towers, buildings, and tracts of land. SCALES: 1" = 660' 1" = 3 Miles 1" = 24 Miles 1" = 666' (1 8000) 1" = 750' (1 9000) 1" = 2 Miles (1 125,000) 1" = 2. 37 Miles (1 150,000) 1" = 3. 95 Miles (1 250,000) 1" = 7. 89 Miles (1 500,000) 1" = 15. 8 Miles (1 1,000,000) 1" = 1 Mile (1 62500) 2" = 1 Mile (1 31680) 1" = 83. 3' (1 1000) 1" = 166. 6' (1 2000) 1" = 250' (1 3000) 1" = 333. 3' (1 4000)