IST Dolphin Tech Underwater Slate with Locking Retractor and Ruler

Underwater slate with locking retractable line 6” ruler stamped along one edge Carabiner-style clip for hooking onto belt or BC Dimensions: 7” × 5” (17.5cm × 12.7cm) Stainless steel wire length: 18.7" (47.5cm) The IST Dolphin Tech Underwater Slate with Locking Retractor and Ruler offers a waterproof writing surface with the added functionality of a retractable, lockable stainless steel line and 6” ruler stamped along one edge. Perfect for documenting finds along the dive, communication with your dive buddy or keeping a record of the dive for updating your log book back at the surface.   The included pencil attaches to the slate with a cord and stows snugly in a sleeve mounted on the slate. The 6” ruler is stamped along one side for durability: there’s no print to rub off. Carabiner-style clip for hooking onto belt or BC.   Retractable, stainless steel line locks into place with a simple pushbutton mechanism to keep the slate from pulling during use, and unlocks just as easily with an