90 Degree Angle Mount, 2.16" Long with 5 Slots Adequate Clearance for Both Top and Side Mounting Space System Oriented Design to Build a Flexible and Compact Mounting System Robust and Lightweight Design with Steel-to-Steel Connection between Screw and Locking Nut Plate Precision Machined Solid Aircraft Aluminum with Hard Anodizing for Tight Tolerance and Durability Slim Design & Truly Lightweight