H-500SNAPK.. Pair of Chrome Snap-In Inset Glass Door Hinges. It’s a snap to install glass doors with the “Snap”! Insert the special plastic locking bushings in the holes, top & bottom, and snap-in the hinges to lock them in place. Then it’s easy for one man unassisted to slide the glass and tighten the special plastic-tipped screws. Plastic bushings fit in a 9mm or 11/32 inch hole. Hinge is 1-9/16″ long x 1/2″ high for 3/16″ glass. .078″ steel finished in Polished Chrome. US Patent #5855042.