VEVOR Quick Change Tool Post Set, 6 Pcs, Includes Lathe Tool Holders, Wedge Type Tool Post with Turning Tool Holder Accessories, Fit for Mini Lathe & Metal Lathe 6"-12" Swing, Durable Steel Material 6-Piece Quick Change Tool Post Set User-Friendly Operation Rock-Solid Lock Versatile Use Product Dimensions Reinforced Protective Packaging Item Model Number: 250-100(6),Quantity: 6,Material: 45# Steel,Item Dimensions: 2.54 x 2.54 x 3"/64.5 x 64.5 x 76.2 mm,Compatible Size: 6 to 12"/152.4 to 305 mm,Item Weight: 10.8 lbs/4.9 kg