Hex Key, 2mm Back Catalog number: 380-0036-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0040-01 Manual, GilAir-3/GilAir-5 Price on request 801447 Side Insert Assembly GilAir-5 Price on request 360-0049-01 Manual, Gilibrator-2 Flow Monitoring Software Price on request