Optics Ø26 mm clear glass Beam angle 54° Material Stainless steel EN W.nr. 1.4435 Colour Grey Surface treatment Pickled Rotate 360° Size Ø70 x 8 mm Weight 510 g Mounting Surface mounted with nut Mounting hole Ø42 mm Built-in height 42 mm Min. tail size Ø3 mm Max. tail size Ø10 mm Protection rating IP 68 down to 10 m