They are factory replacement pads. They are not for a 123 sedan, that is all I know for sure. Horsehair? I don't think so, but they are that heavy hairy looking stuff with green rubbery stuff integrated with it.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.