Usage Tips:Enhanced Safety Features: Eliminate the risk of pinched fingers and loud slamming with our advanced for Lid Stay hinges. Designed for controlled, smooth closing, these hinges are perfect for toy boxes, chests, benches, and even heavy-duty basement doors, ensuring safety and quiet operation in any setting. Versatile Hands-Free Use: Our hydraulic hinges are engineered to hold lids open at any desired angle, offering convenience and flexibility. Ideal for various applications, they smoothly transition to a soft-close mechanism as the lid approaches closure, providing a gentle and secure shut every time. Optimized for Heavy Lids: Specifically crafted to support up to 150N, these gas spring hinges are perfect for heavy-duty applications. Whether it's a metal box or a basement floor door, the adjustable opening angles between 75° to 105° and ambidextrous mount make them a robust choice for numerous setups. Important Installation Note: To ensure optimal performance and safety, please verify that your box or lid depth exceeds 10 inches before installation. This requirement is crucial for proper mounting and operation of the hinges, guaranteeing efficiency and reliability in everyday use. Color: Silver Material: Metal Package Contents: 2 x Hinge with screws