B22 to 7 x E27. Light Bulb Splitter Adaptor/Extender/Holder. B22 to 7x E27 adaptor is 100mm high by 185mm wide (22mm bayonet cap to 7x 27mm edison screw). USAGE: This DELIGHTFUL product allows you to use 7 E27 base bulbs in 1 B22 base end fitting light socket, leading to a very high level of illumination.