Attached-to-house Pergola Kit for 4x4 Wood Posts any - Etsy
Amazon.com: Soobool 4x4 DIY Pergola Bracket Kit with Black Powder Coated, Aluminium Alloy, 4 Arm Pergola 3-Way Corner Extension Brackets and 4 Solos Pergola Post Base for 4x4 Wood Post(Actual: 3.5"x3.5") :