1. Strong Compatibility: Suitable for transmission/brake line pipes/hydraulic oil pipes with an outer diameter of less than 6mm. 2. Protecting the Frame: Foam sponge, not damaging the frame. 3. Reduce Abnormal Noise: Reduce the vibration and abnormal noise of the line pipe/oil pipe inside the frame. 4. Strong Tensile Resistance: No deformation during any bending, no creases, and can be bent and routed freely inside the frame. Excellent material, long service life. Length: about 1.6m/piece Inner diameter: about 6mm/0.23inch Outer diameter: about 12mm/0.47inch Net weight of product: about 31.8g Colour:Black Material:sponge Package Contents: 2 * Frame Internal Housing Damper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.