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M-D Building Products Adjustable Height 4-1/2 in. x 30 in. Aluminum Threshold 99049030000 - The Home Depot
![M-D 36-in x 3-in Aluminum Door Threshold (Install with Screws) in the Door Thresholds department at Lowes.com M-D 36-in x 3-in Aluminum Door Threshold (Install with Screws) in the Door Thresholds department at Lowes.com](https://mobileimages.lowes.com/productimages/0578f487-b6fb-41f4-a85c-02bcc004fbb6/00276572.jpg)
M-D 36-in x 3-in Aluminum Door Threshold (Install with Screws) in the Door Thresholds department at Lowes.com
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M-D Building Products 76281 4-9/16 in. x 1-1/8 in. x 73 in. Silver Adjustable Aluminum & Hardwood Threshold - Household Door Frames - Amazon.com
![replacement - Replacing original 1950s exterior door with new prehung: threshold question - Home Improvement Stack Exchange replacement - Replacing original 1950s exterior door with new prehung: threshold question - Home Improvement Stack Exchange](https://i.stack.imgur.com/0VBpE.jpg)