M-D Building Products 49010 1-3/4 in. x 1/8 in. x 36 in. Satin Nickel Aluminum Flat Profile Threshold for Interior Doorways - Door Thresholds - Amazon.com
M-D 09563 Saddle Threshold, 36 in L, 1-3/4 in W, Aluminum, Bright Gold
M-D Building Products Fluted Saddle 6 in. x 48 in. Aluminum Commercial Threshold 99069048000 - The Home Depot