This ultra-thin resin has excellent flow properties to fill the most stubborn breaks. The package design lets you dispense a single application per break, making syringes and needles obsolete. Each Single Shot contains .5 ML of resin and may be used for more then one repair. Dispense a what you need for the repair and place cap back on after each use. You can get up to 3 repairs per tube. It also eliminates the guesswork of inventory control with bottled resin. Unlike our other resins, the Extreme formula is available exclusively in single shot format. Cures non-yellowing, optically clear. 25 single shot dispensers per UV-resistant package. Mylar squares are required for curing (HDW3000, sold separately).