Black nylon plastic with a matte finish and slight grainy feel.
About this Product
1 mm (with protective jacket 2.2 mm) optical fiber butt coupled to the facet of the LED - OSRAM - LBW5SM-EYGX-35 - LED, SMD, 2.2W, BLUE
Fiber core: 1 mm, Fiber jacket: 2,2 mm
Lateral holes for M2 screws which should hold the LED and the Fiber in the correct place (treads not present). Optionally the elements can also be fixed with glue.
Fiber and LED not included.