300mm Travel Length Linear Stage Actuator DIY CNC Router Parts X Y Z Linear Rail Guide Sfu1605 Nema23 Stepper Motor By Beauty Star Travel Length: 300mm; Ballscrew Type: SFU1605 Connection: Red(A+), Green(A-), Yellow(B+), Blue(B-) Stepper Motor: Nema23 24V 3A 1N.M Horizontal Load: 40KGS, Vertical Load: 15KGS, Speed: 1-50mm/s Beads screw for movement structural elements executed. With high precision, high efficiency, long life, low coefficient of friction, versatility, etc