Hex Key, 2mm Back Catalog number: 380-0036-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200158 Cyclone Spring (each) Price on request 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request 800470 Anti-Tamper Plate, GilAir-3/GilAir-5/BDX-II Price on request