Syringable solder paste requires a needle and plunger for application. The 100 g paste comes in a standard 30cc. syringe. 35 g samples come in a standard 10 cc syringe. Most distributors carry plungers and needles. Scientific supply companies such as Fisher Scientific (www.fishersci.com) and Cole Parmer (www.coleparmer.com) also carry plungers and needles. For dispensing SMT solder paste a 20 gauge needle is the smallest that is usable.