*The piano hinges are made of 304 stainless steel material with surface polishing to patination-resistant and ensuring resistance to patination and misalignment. Provide greater stability than traditional hinges,high quality material ensures its long-term use and you can use it without any worry. *The cabinet hinge has 24 pre-dilled holes. Package come with 24 steel screws. This piano hinges for wood has a small overall gap and good concealment, making inset cupboard hinges are more beautiful and easy to match with different decoration styles.Easy to install and works with many different things. *The piano hinges for wood can also be easily trimmed to different lengths to suit the application. They are widely used in piano, home decoration,furniture repair, woodworking projects, RV projects and other DIY applications such as folding tables, cabinets, various doors, cabinet lids and so on.Heavy duty kitchen hinges also can use to hinge lids, hatches, modern watercraft etc. *You will receive 2 pack piano cabinet hinges for surface mount for quick installation, measuring 30cm/12inch in length, 1/32" blade thickness and 1-3/16" opening width, which are longer than other metal hinges on the market. And coming with Silver 24pcs screws. *The piano hinges offer continuous supports along the entire length of the door and lid for. Each knuckle of continuous hinge is a load-bearing point, providing uniform strength and smooth pivot action. Friction-type pins won't fall out and you can use the various doors, cabinets, toolboxes, wooden boxes, gift boxes and so on., Manufacturer: ZhangJJJJJJJ