B22 to 2x B22 adaptor is 100mm high by 110mm wide (22mm bayonet cap to 2x 22mm Bayonet Cap). B22 to 2x GU10 adaptor is 80mm high by 90mm wide (22mm bayonet cap to 2x GU10). B22 to 2x E14 adaptor is 74mm high by 74mm wide (22mm bayonet cap to 2x 14mm small edison screw).
