... cable trays NO.Channels:2 Channel size :100*3*3cm(L*W*H) Rubber base+ EVA & PP lid -Channel cable trays,outdoor cable ... protector,Perforated cable protector,slotted cable protector,Rubber cable protector,cable guard,rubber cable cover,cable ramp,cable speed hump,cable protector. Features:Model ... the lid can't be twisted .2 S-1134 -CABLE PROTECTOR OUTDOOR