|Release date||17 June 2002 (Update)|
|High Alch||0 coins|
|Low Alch||0 coins|
|Store price|| 0 coins|
|Examine||A cog from some machinery.|
A Red cog is a quest item and used in the Clock Tower quest to repair the red wheel. It can be obtained by entering the south-eastern door at the 4 coloured tiles in the Clock Tower's basement, past a few ogres.