Black nylon plastic with a matte finish and slight grainy feel.
About this Product
A connection piece to be used between the oversize clamp and Busch & Müller Ixon Bicycle Headlights. It's modeled based on the original part, but the top is put on in reverse. See http://thorwil.wordpress.com/2012/02/25/3d-printing-to-the-rescue/ for details