Product Details:

A Complete Selection for Single or Double Doors, Transoms, and
Sidelites
Available in Four Finishes
This CRL PTH Series Top Door Patch Fitting
includes a high density cast body, pivot socket, finished cover
plate, and gaskets for 3/8 and 1/2 inch (10 and 12 millimeter)
glass. This fitting is commonly used with either a PTH23 Top
Transom Pivot, CRL9040WBP Walking Beam Pivot, 1NT401 Top Free
Swinging Pivot, or 1NT405 Header Mount Top Pivot.
Color: Clear Anodized
Minimum Order: 1 Each
Additional Product Information:
Glass Fabrication Required: Two 13/16 inch (20 millimeter) diameter
holes and one notch. (Template Included)