High quality features: hook and loop adjustable to conform to different levels of urgency Install the seat in two components can be comparatively rotating, smooth to install Hook with thread would be understood to fit assorted levels of tightness Handle package, clean to function colour:red Material:304 stainless steel size:108mm Package Contents: four * Bolts Clamps Only the above equipment content, other merchandise should not included. Note: Light taking pictures and different exhibits can cause the colour of the article in the photograph somewhat assorted from the genuine thing. The size allowed error is +/- 1-3cm.