Optics Ø12 mm clear glass Beam angle 54° Material Aluminium Colour Grey Surface treatment Anodised Tilt 20° Rotate 360° Size Ø32 x 1.5 mm Weight 17 g Mounting Recessed with spring Mounting hole Plaster: Ø25 mm / wood: Ø27 mm Built-in height 19 mm Min. tail size Ø1 mm Max. tail size Ø6 mm Protection rating IP 30