Gainsborough Bi-Fold Door Knob (SONATA CRYSTAL & CHROME) 1 Gainsborough Bi-Fold Door Knob & Mounting Hardware NOTE: This Bi-Fold Knob is Fixed--This Does Not Turn or Lock Knob Measures 1 15/16 Inches Wide--On a 2 Inch Wide Round Rosette (Faceplate) Gainsborough--Strength with Style--Made in Australia Tarnish & Corrosion Resistant