1Made of premium steel material, the revolving centre set is of high hardness and long durability 2Easy to operate and highly efficient 3Holing depth can be regulated and adjustment 4Suitable for mini lathe machine to do DIY woodworking 5Compact size, quick to install on lathe machine Features: Made of premium steel material, the revolving centre set is of high hardness and long durability.Easy to operate and highly efficient.Holing depth can be regulated and adjustment.Suitable for mini lathe machine to do DIY woodworking.Compact size, quick to install on lathe machine.Specifications: Condition: 100% Brand New Material: Hard Steel Color: Silver Maximum Extension Distance: approx. 60mm / 2.36inch Distance between Holes: approx. 64mm / 2.52inch Clamping Range: 1.5~10mm / 0.06~0.39inch Center Height: approx. 35mm / 1.38inch Overall Size(Length x Base Width x Height): approx. 170 x 70 x 58mm / 6.69 x 2.76 x 2.28inch Weight: approx. 710g Package Included: 1 x Revolving Centre 3 x Wrenches Note: Please allow slight error due to manual measurement. Thanks for your understanding.