Weighs approximately 600 grams. Made of aluminum alloy Designed for finishing and polishing wooden cart bowls and dish bottoms.The jaws with insurance should be installed on the 4-inch C-type chuck to that they will not fall off the chuck. The appearance is beautiful and durable, with long-term stable performance.Speed: 800 RPM. A diameter workpiece range from 2-1/2inch to 8-1/4inch can meet your different finishing and polishing job needs.The 8inch jaw set consists of 4 flat jaws, each with 7 fixed positions. The distance between the holes is . 1 cm.Colour:silver+blackMaterial:aluminum alloyPackage Contents:1 x Lathe Chuck Jaw Set KitOnly 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.