Premium Material Construction: High-quality aluminum alloy fence with adjustable brass thumb for durability and precise adjustments Manual Calibration: Equipped with high- angle adjustment knob that easily locks at 90-degree right angle position with clear scale markings for accurate measurements without complex setup Package Contents: Includes 1 piece of router table plate jig square for woodworking applications Copper Aluminum Combination: Features aluminum alloy push plate that is yet sturdy with brass-reinforced connection parts for wear resistance and anti-loosening performance during high-frequency use Universal Compatibility: Modular design fits most inverted platforms on the market with quick snap fasteners and adjustable bolts, allowing installation and disassembly in 3 minutes without drilling or modification, Weight: 2.4691773344 pounds, Manufacturer: Xnuiasqe