Hose Beads BD

They are intended to assist easy gliding of the hose over the airport apron, prevent excess abrasion of the hose cover, and to enhance visibility of the hose during operation.
 
Hose Beads BD 50, weight ~0,18 kg, OD Ø 95
Hose Beads BD 63, weight ~0,23 kg, OD Ø 108