Optics Ø12 mm clear glass Beam angle 54° Material Stainless steel EN W.nr. 1.4435 Colour Grey Surface treatment Pickled Rotate 360° Size Ø35 x 6 mm Weight 100 g Mounting Surface mounted with nut Mounting hole Ø21 mm Built-in height 25 mm Min. tail size Ø2 mm Max. tail size Ø6 mm Protection rating IP 68 down to 10 m