【Door knob】: The bed/bath door knob brass has exquisite design and looks gorgeous, crystal door knobs are easy to turn and not falling off. | 【Adaptation】: Glass door knobs best fit into bathroom and bedroom door knobs. If you want to replace or update the bed and bath door knobs, this locking door knob will be a good choice. | 【Easy installation】: This polished brass privacy door knob kit includes install instructions and template, it will make door knob replacement very convenient and fast. | 【Parameters】：Adjustable backset 60mm(2-3/8") or 70mm (2-3/4")，this door knobs set fits doors 35 to 45mm (1-3/8" to 1-3/4")thick. | 【Service】: If you encounter any problems, you can contact us as soon as possible, we will reply to you within 24 hours.