Emergency Release Thumbturn Key & Plate

  Vintage-style Hardware Classic & Traditional Timeline Style:   Early 20th century up to modern style decors Thumbturn Key that provides emergency release for deadbolts, especially for the Classic Brass Interior Mortise Lock Set With Thumbturn  see here for mortise lock Thumb-turn is made of solid brass Includes oval plate with removable plug & two oval head screws 3/16" square shaft size Available in unlacquered brass (will patina over time), oil rubbed bronze, lacquered brass, & polished nickel finishes Product Description Specs  A solid brass crescent thumb turn key with 3/16" square spindle shaft & oval plate with removable plug. Provides for emergency release for deadbolts, especially for the Classic Brass Interior Mortise Lock Set With Thumbturn  see here. Solid brass thumbturn is designed in the early 20th century style of hardware, but will fit in with any time period up to the current modern styles. Available in non-lacquered brass (the un-lacquered br