Features: 100% brand new and high quality Durable with alloy steel material. 57mm stepper motor fixed seat adopts advanced anti-rust paint technique, which makes the bracket be used for a long-term. The precision cut mounting holes is perfect matched with screws. This metal motor holder has convenient holes for mounting,easy to install. This geared motor mounting seat can be widely used in 57mm small gear motor series. such as NEMA17. Package Includes: 1 x 57mm Mounting L Bracket Specifications: Material: Alloy steel Color: Black Fitment: 57mm stepper motor NEMA17 Size:approx. 6.5x6.5cm/2.56x2.56in note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.