Check the listing for details. M42/M48/M54 CAA 360 Degree Rotator Adjuster Modular Three-in-one High Precision. Condition: New. Listed at 50.00 USD. Product features:1. Adopting a modular combination structure, the three screw structures of M42/M48/M54 can be used interchangeably.2. The swing screw of the handle is made of stainless steel. The screw is thicker, stronger and beautiful in appearance.3. Silicone damping rings are used for rotating structure damping to reduce pollution caused by damping oil leakage.Appearance1. The combination of red and black colors makes it more beautiful and atmospheric.2. The shape structure is designed with anti-slip teeth.The assembly structure and screw ring are connected with 5 stainless steel screws, and a wrench is provided.M42 CAA 360-degree rotating composition adjuster high-precision processingThickness extension: 12.5MMM42*0.75 external thread: 3MMM42*0.75 internal thread: 5MM=====================================M48 CAA 360-degree rotating composition adjusterThickness extension: 12.5MMM48 external thread: 3MMM48 internal thread: 5MM=============================================M54 CAA 360-degree rotating composition adjuster high-precision processingThickness extension: 12.5MMM54*0.75 external thread: 3MMM54*0.75 internal thread: 5MM