Various size: you will get 8 pieces dowel pins center point set (4 pieces for solid and hollow ones respectively) in different size, including 1/4 inch (6 mm), 5/16 inch (8 mm), 3/8 inch (10 mm), 1/2 inch (12 mm), which can easily meet your different needs Quality material: dowel centers are made of quality metal material and plated by chrome treatment to ensure its hardness, which are durable, not easy to wear, rust and corrode, allowing you to use for a long time Common function: the center point pin is designed for positioning the drill holes and connecting 2 wood blocks, which provides accurate alignment and is an important woodworking tool How to use: you should drill holes on a piece of wood with a drill bit, accurately mark the hole locations on another piece of wood and connect 2 wood blocks with dowel centers Wide applications: the dowel pins center point set is widely applied in integrated cupboard, closet and other wooden furniture that needs to be assembled indoors Features: Metal material and chrome-plated surface make it durable, long-lasting, not easy to rust and corrode. The center point pin in different size can easily suit your different needs. Application: The dowel pins center point set is necessary woodworking tool and suitable for installing cabinets, cupboards and other wood blocks. Specifications: Material: metal Surface treatment: chrome plating Diameter of cylindrical portion: approx. 1/4 inch (6 mm), 5/16 inch (8 mm), 3/8 inch (10 mm), 1/2 inch (12 mm) Package includes: 4 x Solid dowel centers 4 x Hollow dowel centers Notes: Please allow slight deviation due to manual measurement. Please allow slight color difference due to different monitor. Please keep dowel centers out of the reach of your children to avoid danger.