Spares2go Control Switch Knobs For Bosch Oven Cooker & Hob (Chrome / Silver, Pack Of 4) Replacement Control Switch made for Spares2go to fit Bosch Ovens Cookers & Hobs (Pack of 4, Silver / Chrome) Fits models: all Bosch gas & electric ovens / cookers & hobs Each knob arrives with 5 heat resistant & splined shaft spindles, designed for precision control. (Adaptor measurements range between: 4.8mm, 6mm & 8mm) Colour: Satin Chrome - throughout High quality, fully compatible replacement spare part.