Brand new with high quality Material: Plastic Adaptation: RS550/550VC DC motor Diameter: 35.3mm/1.39inch Quantity:1/2/3pcs Features: 1. Suitable for RS550. 2. Durable plastic provides the holder with long service life. 3. Timely customer service will be provided to solve customer complaints. 4. Used for Electric Drill and Electric Hammer. 5. Qualitfied Personnel can keep the quality. Package Include: 1pc or 2pcs or 3pcs Carbon Brush Holder Motor Notice: 1.1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.