Brinks Push Pull Rotate Door Locks Stafford Entry Door Knob, Polished Brass, 23001-105 Features innovative, new Push Pull Rotate technology - the hands free way to open a door Reinforce your doors with the quality and durability of Brinks Fits all standard doors Lifetime warranty for defects in material or workmanship Simple to install with only a Phillips screwdriver Features innovative, new Push Pull Rotate technology - the hands free way to open a door Reinforce your doors with the quality and durability of Brinks Home Security - Meets BHMA Grade 2 standards Works on in-swinging doors only Lifetime warranty for defects in material or workmanship Simple to install with only a Phillips screwdriver