This is the Monoject(R) #412, with a long, curved tip that allows easy access in tight places. The small tip opening of just .028 diameter provides precise dispensing control. It can be used with a wide variety of materials including glues, caulking, oils, grease, cleaners, soldering flux and more. Holds up to .4 ounces 12cc of material to handle big jobs or for more work time between refills.WARNING: This product can expose you to chemicals including LEAD, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov