hat
Yo ap disponib nan plizyè gwosè, yo anba de Zenk alyaj. Dyamèt se milimèt 22-27. Chita bien ak vè pesè milimèt 5-8. Sur ka fè pou ti pen nan yon liy dwat wout, oubyen te monte sou yon pivot oswa yon pintle comme ke kontaminen ap otomatikman fè aliman tèt li pou direksyon vwayaj.
eng
They are available in various sizes, and are commonly made of zinc alloy.Diameter is 22-27mm.Fit with glass thickness 5-8mm.Casters may be fixed to roll along a straight line path, or mounted on a pivot or pintle such that the wheel will automatically align itself to the direction of travel.