MOMO 3/4 in1E27 Base Socket Splitter Light Lamp Bulb Adapter Holder for Softbox - Walmart.com
DiCUNO 2 in 1 E26 Socket Splitter Adapter, Two E26 Standard Medium Base Bulbs in One Socket Y-Shape Lamp Holder Converter, Maximum 200W and 165℃ Heat Resistant Light Bulb Splitter 6Pcs: Amazon.com: