The blackgold studio umbrella is double layered the golden internal lining can minimise light loss while maximising light spread the blackwhite umbrella with removable cover is a great portable way to really soften or reflect light from a flash or strobe shaft is finished off with a 7mm tapered tip allowing for use in conjunction with many specialty lights on the market our catch pin insures a perfect fit with most popular lights this metal framework also offers an all metal solid insert