magnetic contact for roller door 1.Gap:50-60mm,60-70mm 2.Colour:grey 3.Certificates:FCC,CE,ROHS The magnetic contact for roller door with FCC,CE ... and Rohs overhead door contactMetal housing,ABS housing for magnet ,ideal for roller doorLeads with # ... bag, 60sets/CTNGross weight:22KGS hot sell magnetic contact for roller door with FCC,CE and Rohs