EUROLITE Barndoors PAR-46 Spot bk are separately sold metal barndoors for adjusting the light beam of a compatible PAR-46 spotlight. The accessory is made of painted metal and finished in black. It has an outside ring diameter of 168 mm and an inside ring diameter of 150 mm. The product weighs 0.72 kg and is intended for mechanical beam shaping and spill-light control.