ITB24X24EDCP/BN/BM Square Towel Bar Back to Back CTC 24 InchITB24X24EDCP BN BM Square Towel Bar Back to Back CTC 24 inch With gaskets to prevent glass damage Perfect handling design Sleek construction. 3 4" (19 mm) Brass Tubing. Can be installed glass, wood or aluminum metal doors This handle can be installed vertically and horizontally. Cut Out Hole required 1 2" (12mm) Diameter Solid Brass Can be used in Wine cellars, showers, office doors, bathroom doors, home doors, outdoor patio doors, entry doors, framed