CTYRZCH 5pcs 42mm NEMA17 Stepper Motor Alloy Steel Mounting Bracket with Screws 5x5x5cm Durable with alloy steel material Fit for 42mm stepper motor such as NEMA17 Easy to install Material: alloy steel 5PCS x 42mm NEMA17 Stepper Motor Alloy Steel Mounting Bracket with Screws 5x5x5cm