최대. 작업 양
depend on the size
color
silver or the others
certificates
UL,cUL,NEMA,IEC,CE,ISO
surface
HDG, Zinc Plated, Powder coated,Electrical Zinc, Electro-galvanized
perforated
perforated or not
standard
41x41mm,21x21mm,41x21mm,41x62mm...
thickness
12gauge, 16gauge,19gauge
Other Discount
based on the quantity
Other accessories
spring nut, threaded rod, end cap
back to back channel
accepted