Features: Easy to install: You need to clean the hole of wooden before using put the lathe pen turning into the hole then fix into the machine it will take a few seconds to finish. Wide range of use: The steel pen mandrel will be a nice accessory for woodworkers so they can produce lots of delicate pens which can be applied for factories. Specifications: Size: length: 7.95 inches Diameter: 6 mm/ 0.24 inch Material: Metal colour: As shown Package Contents: 1 set x Woodworking pen mandrel 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.