These extended aluminum gearmotor brackets let you securely mount our larger Pololu plastic gearmotors ( 228:1 offset , 120:1 offset , 200:1 90-degree , and 120:1 90-degree ) to your project. The extended 'neck" on these brackets allows for a large variety of mounting options. These brackets are sold in pairs, and each bracket comes with two 1" long #2-56 screws for securing motors to the bracket. Each bracket features four mounting holes and one mounting slot intended for #4-size screws (not included).