LLDSIMEX K11-100 Chuck 3 Jaw Self-Centering Lathe Chuck 4"/100mm With Internal and External 2 Set Jaws Go to amazon.com Related posts Top 10 recommendation 3 jaw chuck 100mm Feature3 Jaw Self Centering Lathe Chuck, Sttructure of solid jawsDiameter: 4" ; Thickness: 2.165"Max. Imput Torque: 60NmMax. Speed: 3500r/minWeight: 3.2Kg DescriptionShort cylindrical center mounting Provide with one-piece jaw( include a set of internal jaws and a set external jaws) Supplied with T-Wrench