Perhaps such square door handles would be a nice and useful detail to have. There are quite a lot of people who have decided to buy these already and what will you say? You don’t have to rush with making the final choice but it is worth to have a look at all the offers.
Square LED Doorbell Button
Aesthetic contemporary surface-mounted doorbell button set. It consists of a square faceplate of silvery-coated steel and a round push button of glossy white resin with LED backlighting. It's mounted with 4 screws.
Square Door Lever
Pretty-looking contemporary door lever manufactured of brass with a chromed finish. It has a square base and is equipped with a flat angular handle, a key lock, a backset latch. It's mounted with concealed screws.