The 3/16" extra-long hex key is for deep-reach applications. This Allen key ensures effortless access to deeply recessed components that standard keys simply cannot reach.
 
Key Features & Specifications:
Intended for adjusting the delicate internal orifice of the Scubapro AIR-2 and the Tusa Duo-AIR second-stage / inflator regulators.
 
Technical Details:
Manufacturer: Scuba Service Tools
SKU: 1800-SST-050
GTIN: 08720865017891