You receive 20pcs of wood turning engineering kits, which is sufficient quantity to use your creativity to make Christmas hanging ornaments, making your Christmas home decorations full of imagination Tube outer diameter is 0.68cm/0.27 inches, inner diameter is 0.63cm/0.25 inches; 3.5cm/1.37 inches long; 7mm drill bit required Our wood turning kit is made of high-quality metal, which is sturdy and ; it provides stability and smoothness to that your masterpiece stand the test of time Our wood turning kit is no longer just some fun handmade , it is an ideal gift for friends and family or woodworkers Please note that this package only includes the wood turning kit for Christmas ornaments, and does not include the lathe, shaft, drill bit, bushing and wood blank. Colour:Silver Material:Metal Package Contents: 1set * wood crafts 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.