Description: 1. Brand new and high quality 2. Made of high quality material, and practical to use 3. Bicycle Seat Post Clamp for 7x9mm/7x7mm Seat Rails Oval/Round Bike Clip 4. 7x9mm for Oval Rails Specification: Size: 7 x 9mm Material: Metal Color: Black Package Contents: 2 x Seat Post Clamp Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.