Prepare Caulk Tube Tip with Built-in Knife

you definitely want to have a knife on your caulking gun because if you don't have a knife with you you want some a way to be able to cut open your caulking their puncture tool is an extra long puncture tool which i really like because a lot of caulking guns the inexpensive ones the puncture tool is not long enough to actually puncture the caulking tube so make sure you have a long one the knife is a extremely sharp knife makes cutting your caulking tube and you can cut it at an angle i always cut it about a 45 degree angle makes cutting easy so it's got that extra sharp