Super durable polished stainless steel Spring loaded mechanism for superior pressure control Lightning fast vacuum/pressure switching Oversized upper cylinder allows use of eyedroppers and syringes for resin conservation Industry leading Delta Kits limited lifetime warranty At the heart of every great windshield repair system there is a great injector. The exclusive spring loaded Delta Kits I-100 Injector is preferred by auto glass repair and replacement professionals worldwide. You won’t find a finer injector at any price!