Knee Protector - Black 55-67. 211-415-639 211415639 Was £9.60 - Now £8.64! inc. VAT (where applicable) Quantity: at £8.64 each Add To Basket Top quality steering column knee protector for split bus in Black. Made by Wolfsburg West. This is the rubber collar that sits around the bottom of the speedo pod to stop banging your knees as you get in and out of the drivers seat.