TGA gun applicator 01 is an innovative device designed for an easy to use application of insect repellent gel (Maxforce forte cockroach gel bait). The gun is made from durable plastic and metal spring. TGA applicator gun 01 works perfectly well for both professional and amateur applicator because of its easy mechanism by simply placing the gel bait cartridge in front of the TGA gun applicator and by squeezing the trigger.