Front and rear double ball bearings, universal DC 12V-24V voltage.Double ball bearings have low noise.Large torque, low friction and stable operation.Mainly for DIY MINI CNC wood router machine, such as CNC 3018 3018Pro 3018Pro-Max 3018Pro-N 1610 1610Pro 2418Colour:silverMaterial:MetalPackage Contents:1 x 775 Spindle Motor (white)1 x ER11 5mm extension pole bracket1 x ER11 5mm collet (1 / 8, 3.17mm)2 x wrenches1 x Spindle cable (connects to GRBL board)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.