Features: 100% brand new and high quality. Function: Used to make wooden pen cases. Helps to eliminate any vibration encountered when turning blanks on a longer than necessary mandrel shaft. The length of the shaft is adjustable and can be shortened or extended by loosening the lock nut at the head stock end. The shaft is made of 45 # steel with a copper bushing for easy and flexible movement of the bushing. The tyre expansion rod is made of polished 40Cr steel for comfortable grip. Not easy to rust high strength and hardness, easy to use, durable in use. Package Includes: 1x Woodworking Pen Mandrel Specifications: Material: Metal Size: As the Picture Show Type: Taper Shank/Straight Shank note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.