Specification: Material: Aluminum Color: Black Surface treatment: wire-drawing and anodizing Thickness: 19mm / 0.7in Diameter: 52mm / 2in, 65mm / 2.6in, 71mm / 2.8in (Optional) Package List: 1* CNC Motor Bracket 4* 90 Degree Angle Corner Connector 4* M5-Low Profile Screw-8mm 4* M5-Low Profile-10mm 4* M5 Drop In Tee Nut 2* M5-Low Profile-25mm About this item Spindle Motor Holder: Professional manufacturing, exquisite workmanship, high reliability. High Quality Material: Made of high quality aluminum alloy, high strength, durable and reliable. Workmanship: Surface wire-drawing and anodizing treatment, wear-resistance and corrosion-resistance. Features: High precision dimensional, more stable, high efficiency. Not easy to rust and deform, long service life. Package List: 1* CNC Motor Bracket; 4* 90 Degree Angle Corner Connector; 4* M5-Low Profile Screw-8mm; 4* M5-Low Profile-10mm; 4* M5 Drop In Tee Nut; 2* M5-Low Profile-25mm Spindle Motor Holder: Professional manufacturing, exquisite workmanship, high reliability. High Quality Material: Made of high quality aluminum alloy, high strength, durable and reliable. Workmanship: Surface wire-drawing and anodizing treatment, wear-resistance and corrosion-resistance. Features: High precision dimensional, more stable, high efficiency. Not easy to rust and deform, long service life. Package List: 1* CNC Motor Bracket; 4* 90 Degree Angle Corner Connector; 4* M5-Low Profile Screw-8mm; 4* M5-Low Profile-10mm; 4* M5 Drop In Tee Nut; 2* M5-Low Profile-25mm