Unique Home Designs 3 in. Black Projection Brackets with Screws (4-Pack) 5WG900BLACK3PB - The Home Depot

Highlights

Compatible with most Unique Home Designs vertical window guards
• When mounting
the brackets would need to be centered on 2 in. x 4 in. studs and the tabs of the top 2 brackets would face up while the bottom 2 would face down
• Black powder-coat finish offers durability
• Can be used with either T-brackets or connector pins for larger windows
• Use Unique Home Designs one-way driver bit for easier installation (not included)