Specification: Material: Low carbon steel Finish: electro-galvanized Height: 2-1/8″ Base thickness: 5/32″ Post wall thickness: 1/8″ Package Content: 4 x Fence Post Floor Flange Fits 1-3/8″ OD/1.315″ chain link fence pipe It can be used for fence repair, mailbox reinforcement, deck flagpole trellis installation, railing repair Low carbon steel; Finish: electro-galvanized Pre-drilled holes for 5/16″ bolts Height: 2-1/8″ ; Base thickness: 5/32″ ; Post wall thickness: 1/8″