Chemical Guys BUFHEXKITS4 Hex Logic Dual Action/Porter Cable Buffing Pad Sampler Platter Kit (5 Items) Professional-grade pads are longer lasting and more durable pads 25 percentage more surface area than regular 6 inch pads, for faster easier and more accurate results Unique self-centered system delivers a perfectly centered pad every time Unique patented system delivers a safer pad with less vibration Hex Logic pads are designed to hold the product and distribute it evenly over the surface of the pad