... cable cover design for heavy use traffic NO.Channels:3 Channel size :5cm(H)*6cm(W) Rubber base+ EVA & PP lid Rubber Cable ... Protector,cable cover,cable guard,cable protector,rubber cable cover,cable ramp,cable speed hump,cable protection,cable trays .Features:Model No: S-1130Material ... which make the lid can't be twisted . 3-Channel cable cover