As we are on about discounts for anyone engineer related in the RAF or Ex, you may be unaware Halfords do a trade card that can save a fair bit of money, only flaw is you do not know until you pay at the till.
see
https://www.halfords.com/advice/moto...ard/trade-card
The Trade Card is available to all UK residents aged 18 or over and who are in mechanical or engineering professions, tradespeople (builders, plumbers etc) driving instructors and taxi drivers.
