The standard double-sided adhesive. Perfect for repair jobs that require good adhesion at an economical price. It's perfect even for small jobs like replacing ear speakers or loud speakers. It's also thin enough to use on battery covers without creating a large gap between the device and the battery cover. This particular roll is 50 meters in length, which is our longest roll yet, so it'll last you for quite some time and you'll have plenty left over if you happen to make a mistake. The strip is 3 millimeters wide which is perfect for when you need absolute precision when working with smartphones, tablets or other wireless devices. No repair shop or technician should be without our roll of double-sided adhesive.