4 Holes Constant Replacement Hinge For Position Control: Can be maintained at any position without slippage, easy to replace the Soutch E6-10-216 Black Zinc Alloy Replacement Constant Torques Hinge: Made of alloy for long service life, corrosion resistance, and good toughness Easy to Integrate and Easy to Install: This constant hinge is designed for seamless integration and effortless installation New Materials with Excellent Precision Machining : Crafted with new alloy materials, this hinge offers excellent precision machining for reliable performance Constant Torques Hinge: Four pre-drilled countersunk holes allow easy integration and installation without adjustment, Weight: 0.20282528104 pounds, Manufacturer: KIXZSAZ