Yes there are several other sizes
8 inch centered on board leaving 1 3/4 at either side
Hello RussianBot1488, Thank you for your recent inquiry with The Home Depot. This 2-3/4 in. 18-Gauge Gusset Angle is sold online and in select stores. To determine pricing and availability you will need to localize the item online by using a zip code. Unfortunately, if you are unable to see the store inventory, then it’s most likely not a stocked item in your area. However, you can still order it online to ship to your home or business. For any other questions, please call us at HomeDepot.com Customer Service 800-430-3376. Thank you for shopping Home Depot. 1. Localize Homedepot.com using your zip code (My Store Location: Change) 2. Choose the store where you want to pick up the item (Make this my Store)
I use #6 x 1 1/4 inch phillips pan head exterior screws.