Halfords exterior car bulb, type 380 12v 21/5W, halogen (Westbury Fields BS9)

Halfords exterior car bulb, type 380 12v 21/5W, halogen. No idea it is still works or not or what other cars it might fit, it was bought for a Vauhall Astra (R reg and older). They still sell these bulbs in Halfords and so if you look on their website you can put in you registration number and they will tell you if thi bulb will fit your car. https://www.halfords.com/motoring/bulbs/halfords-380-p21%2F5w-car-bulb-twin...