Ultrafine foam polishing pad is engineered for the perfect balance: it holds up during the final polishing process. Properly used with 3M Perfect-It EX Ultrafine machine polish, it delivers a refined cut to eliminate swirl marks, haze and holograms without compromising the high gloss of the panel. It's foam construction and specially designed face holds polish and prevents slinging during critical final paint finishing. The Hookit attachment system has a hook-and-loop feature which makes disc attachment, removal, and re-attachment of 3M Ultrafine Foam Polishing Pads clean and easy. It also facilitates use and re-use of the disc for maximum product life. Hookit discs have a brushed nylon loop backing of the type most commonly used in everyday hook-and-loop applications. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.