RANGEMASTER Genuine 2 Shaft Timer / Clock Chrome Control Knobs P063721 x 2RANGEMASTER Genuine 2 Shaft Timer Clock Chrome Control Knobs x 2 P063721 FVLP063721 This listing comes as a pair of control knobs. Please note, these chrome timer knobs are for the newer 2 shaft timers where the shaft is built into the timer. On the older models, the shafts are built into the timer knobs which are inserted into the front of the timer. Please check that this is definitely the right part for you as refunds will only be issued for faulty