standard size of a door handle
Nevertheless, even with the different types of door handle mechanisms that have been developed, the traditional knob-type handle can still be found in many households even up to now. The typical size of a door knob can either be 2 3/8â or 2 Â¾â in diameter.he typical size of a door knob can either be 2 3/8â or 2 Â¾â in diameter.