3 Hole - Center Tap Base Plate Inch For Profile Type Double Fastener Thread Size 1/4 In.-20 Anodized Overall Height 2 in Aluminum 10 Series Includes Fasteners No Overall Depth 1/2 in Overall Width 1 in Mounting Hole Diameter 1/4 in Required Tap Thread Size 1/4 In.-20 Fastener Mounting Type Drop In Adjustable Yes White Compatible Brand and Series 80/20 10 Series Compatible Manufacturer Model Number 1010 1020 Includes Tap