SpecificationCondition：Brand new Material: High quality Aluminum Color: Black & Silver Warranty：one year warranty for any manufacturing defect Tool Post Size: 4.49 x 4.49 x 3.83cm / 1.77 x 1.77 x 1.51\" Tool Post Handle Length: 5.79cm / 2.28\" Tool Post Hole Inner Diameter: 1.06cm / 0.42\" Cutter Holders Size: 2 x 5cm / 0.78 x 1.96\"(2pcs) 2.5 x 5cm / 0.98 x 1.96\"(2pcs) Screws Size: .8 x 1.5cm / 3.07 x 0.59\" 7.7 x 1.1cm / 3.03 x 0.43\"Package Includes1 Set of compatible for Mini Quick Change Tool Post Holder Kit: 1x Tool Post 1x 3/8\" boring holder 1x 1/2\" capacity cut-off blade holder 2x 1/4-3/8\" turning & facing holders 2x mounting bolts (M8 & M10)Notefor whatever we can help, please feel free to contact us.