Round lid surrounded by a square frame. The cover is similar to another of HOT, except for the large HOT logo that does not appear in the present. Compare to the cover
Translation of the text on the cover: Caution Optical Fiber HOT *6900 Rokach The cover must be locked CHINA HJX-SII D400 EN124 R600 IS 489 Rokach Yosef & Sons Ltd.