Features: Flexible shaft The flexible shaft is easy to use and self-centering. Controlled spring action and extended control limiter are functions that help to change from one cylinder to another cylinder faster with the fastest cutting action. durable Made of high-quality metal materials it is hard wear-resistant durable and has a long service life. Two sizes to choose from There are two sizes for you to choose from suitable for cylinders with diameters of 19-64 mm or 32-89 mm. Scope of application Knurled nuts are used to control tension and are widely used in cars trucks buses tractors industrial engines and small air-cooled engines. specification: Model: Three-jaw cylinder sanding machine Quantity: 1 piece material: metal Color: silver and black size: 2inch 32-89mm 1-1\/8inch 19-64mm net weight: 2inch -130g\/ 4.59oz 1-1\/8inch -120g\/ 4.23oz package: 1* Three-jaw cylinder sanding machine guys thank you for visiting my store.You can contact with us to get more detail of the goods .Have a nice day