https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F261912274804
Yes defo worth checking the sliders etc first and the pads often stick in the carrier
Yes, 30 sounds about right, think most ive seen them go for is £50 to £60. We paid £50 years ago for ours although they were boxed.
You say pair though.....there should be 4?