The Abacus range is a group of 4 picture wall lamps available in two sizes per colour finish, a 2 light and a 4 light. The 2 light lamp holds the slimline light bar using one arm which curves out from the small back plate, the 4 light has a longer bar held to the back plate with two curved arms. The satin nickel and antique brass finishes are in keeping with the wall lamps traditional design. Both fixtures take G9 lamps.