Descriptions: This is an air-cooled spindle motor (comes with ER11extension rod and 3.175mm bushing) Made of metallic material, it has stable operation and high bearing accuracy The working speed is 9000rpm-10000rpm, high speed but low noise. Designed for wood carved/engraving machines, advertising engraving machines, CNC machines, etc. Specifications:Material: Metal Color: Silver Input Voltage: 12V-36V Rated Voltage: 24V Speed: 9000-10000rpm Max Power: 200W Unloaded Power: 12W Elongation: ER11Collet Sleeves Size: 3.175mm Total Length: About 125mm Body Length: About 67mm Motor Diameter: About 44mm Package Included:1pc x Spindle Motor 2pcs x Wrench1 Pc x Cable Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow slight deviation in the measurement data and make sure you do not mind before ordering. Note:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the sameAs shown in the pictures, but not the same performance on different bodies as the model.2. Compare the detail sizes with yours, please allow 2-4cm differs due to the manual measurement on clothes, thanks to all measurement in cm and please note 1cm=0.39 inch1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2If you are unable to check out immediately after the listing ends, please wait forA few minutes and try again payments must be completed within 3 days.1)