Stewart R. Browne Retractable Static Grounding Reels GAS DETECTION DOCKING STATIONS Sold by the bag of

Sold by the bag of 1 pair

But most importantly

Intelligent sensors store calibration data even when swapped out

9205-01 Single half-mask system with 50 ft

In particular

Stewart R. Browne Retractable Static Grounding Reels GAS DETECTION DOCKING STATIONS Sold by the bag ofRetractable Static Grounding Reels from Stewart R. Browne have long been used as a safe method of storing cables. The enclosed housing prevents the cable from being exposed to corrosive and harsh elements. The self storing design also prevents personnel from tripping over loose cable. The reels have a self retracting drum and instant lock mechanism to prevent cable from becoming tangled. These reels are used extensively in aviation fueling operations