Quick upgrade:Designed for CNC machine 4040-PRO, 3020-PRO MAX V2, 3030-PROVer MAX and Genmitsu Aluminum Z Axis Assembly V2 kits. Upgrade your CNC router bit with a more powerful router bit and this 65mm spindle bracket. HIGH QUALITY MATERIALS The spindle cart is made of precision machined aluminum for better rigidity and durability. High strength and long service life. Reliable performance: increased stability and less operating noise. Durable mounting screw pattern ensures your spindle is level at all times. EASY INSTALLATION Quickly replace only 4 screws after removing the storage cart. Dimensions: external dimensions: 88 x 91 x 36 mm; diameter: 65 mm, Weight: 0.6393405598 pounds, Manufacturer: Genmitsu