Various size: you will get 32 pieces dowel pins center point set (16 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 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. Colour: silver Material: metal Package Contents: 16 * Solid dowel centers 16 * Hollow dowel centers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.