The legendary tables used by the Canadian Navy and navies of many other countries. Now available on plastic card about 4" x 8" (10 x 20 cm). It is considered one of the safest tables for recreational divers - comes with instructions. A simplified version of the DCIEM Sport diving Tables. For No-Decompression dives only, extremely easy to teach and to use. Printed on plastic card, about 3.5" x 6" (9 x 15 cm). Learn More