Hex Key, 2mm Back Catalog number: 380-0036-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0912-NO-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request 360-0135-01 GilAir PlusQuick Start Guide Price on request 910-1701-EU-R Gilibrator 3 Deluxe Kit, All Three Dry Cell Sizes Price on request