["brand new and high quality\nFeatures:\nIt's split bushing converters for multiple purposes of chuck or collet sutability.\nMade of carbide, high strength and hardness.\nProcessing by heat treatment and precise grinding, durable to use.\nUsed for chuck conversion of trimming, engraving machines.\nSuitable for engraving machine, wood router. \nA perfect woodworking tool.\nCollet Chuck Adapter only, other accessories demo in the picture is not included.\n\nSpecification:\nMaterial: Carbon Steel\nPackage Size: app.30x30x50mm/1.18x1.18x1.97in\nChuck Size: 8mm,6.35mm,6mm (0.31inch, 0.25inch, 0.24inch)\nNut Size:13mm×12mm×7mm/0.51in×0.47in×0.28in(Suitable for 6mm/6.35mm chuck)\n 13mm×12mm×8mm/0.51in×0.47in×0.31in(Suitable for 8mm chuck)\nColors: As pictures shown\nQuantity: 1 Set\n\nNote: \nNo retail package.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Collet Chuck Adapter"]