Features: * Pin Center points are used to install wardrobes, cupboards, tables, beds, bookshelves, etc. * An essential tool in the laboratory, suitable for anyone dealing with wood crafts, even amateurs. * Also suitable for DIY wood crafts , are practical and cheap.* The midpoint needle is sharper, please keep it out of the reach of children. Specifications: Product Name: Pin Center Material: A3 Steel Color: Silver Type: Hollow Surface Treatment: Chrome Plating Size: 12mm/0.47in, 10mm/0.39in, 8mm/0.32in, 6mm/0.24in Suitable for: DIY Wooden Crafts. Quantity: Set of 4 Pcs Package Include: 4 Pin Center Points (Empty) Notes: 1. Transition: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.