Material:Steel parts stainless steel 1.4305 (AISI 303 equivalent).Ball knob black plastic.Version:Steel parts bright.Order information:Threaded studs with dimension L=70 mm or greater are partially threaded, 60 mm.On request:Other threads, screw lengths and special versions.Dimensions “H1” and “A” available in other lengths at extra charge.Drawing reference:1) flat point DIN EN ISO 4753