Easy to use. You just need to use an electric drill to drill a hole in correct place,then add drill glue into the hole, next insert the dowel into the drilled holes in the wood, finally slide the dowels into the center and press the joints together.The fluted surface of wood dowel allows glue to easily flow from joints for bonding. Features - ColorKhaki -Material:Wood - Size1 : 3.00X0.60X0.60cm/1.18X0.24X0.24in - Size2 : 4.00X0.60X0.60cm/1.57X0.24X0.24in - Size3 : 3.00X0.80X0.80cm/1.18X0.31X0.31in - Size4 : 4.00X0.80X0.80cm/1.57X0.31X0.31in - Size5 : 5.00X0.80X0.80cm/1.97X0.31X0.31in -Fine workmanship: each wooden dowel is meticulously made to ensure quality and aesthetics. -Furniture connection: the wooden dowel is an essential component for furniture connection, providing a secure and stable joint. -Safe wood material: made from wood, the dowel is sturdy, , and resistant to deformation. -The fluted surface of wood dowel allows glue to easily flow from joints for bonding. -You can also use them as teaching tools to build models for children's counting cognitive learning. Package list: 1 of wooden dowel (2000pcs/bag)