Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon OG Door Latch and Knob 10 mm by PERRIN Sale $3.89 | / SKU 74-702-10 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available OG Door Latch and Knob 10 mm is a steel clock door latch with a brass door knob for a 10 mm thick door. For OG clocks.