The tapes come packaged 15 per pak. For the longest lasting edge use Polish tapes to create an ultra high mirror like finish. They require a “polish tape blank” and have their own adhesive backing . Polish tapes can be used approximately 5 times before they need to be replaced. This tape is the same as a 20,000 grit Japanese water stone or 9 micron. For the longest lasting edge use Polish tapes to create an ultra high mirror like finish. They require a “polish tape blank” and have their own adhesive backing. Polish tapes can be used approximately 5 times before they need to be replaced. This tape is the same as a 25,000 grit Japanese water stone or 3 micron.