1. Easy-Install Ball Base: Features a rubber and stainless steel design for durability and weather resistance. Ensures stable, rust-free performance. 2. Universal M8 Thread Mount: Compatible with mirror seats and ball heads. Textured surface enhances grip, preventing slippage and vibrations. 3. Secure Mirror Seat Ball: Non-slip, shock-resistant design with a rough texture for better stability and grip. 4. Motorcycle Handlebar Bolt: Stainless steel CNC-machined screw with an adjustable counterforce nut for a secure, custom fit. **Product:** M8 Motorcycle Ball Clamp Base **M8 Specs:** Ball diameter: 25mm (0.98in), thread length: ~11mm (0.43in), pitch: 1.25mm (0.05in), bottom diameter: 8mm (0.31in), total length: 52mm (0.2in). **Use:** Fits car rearview mirror mounting holes. **Color:** Black & Silver **Material:** Rubber + stainless steel **Includes:** 1 x M8 Motorcycle Ball Clamp Base *Note: Slight color variations may occur due to lighting or display differences. Measurement tolerance: +/- 1-3cm.*