Cone Shaped Buffing Pad Size: 8 8 11.5cm / 3.1 3.1 4.5in. Ball Shaped Buffing pad Size: 8 8 9cm / 3.1 3.1 3.5. · 2 SHAPES, CONE SHAPED & BALL SHAPED: The buffer sponges are in 2 shapes. The cone shaped pads are designed for detailed polishing in narrow spots and the ball shaped buffer pads are excellent for surface polishing.