3" Aluminum Half Saddle Threshold - Door Closers - Amazon.com
Hager 432S 36 in MIL Half Saddle Thresholds Stock No 053172
Extreme Heavy Duty Half Saddle Threshold 1/2 inch x 5 inch for Commercial Applications, Rated for 10,000 lbs, Dark Bronze Anodized Finish, Made In USA, Specify Size