The Campbell Hausfeld air-powered caulk gun is designed to make any caulking project a simple task. This caulk gun uses standard cartridges, smoothly dispensing material and quickly stopping flow when the trigger is released. Weighing in at under three pounds, the PL155800AV is easy to carry and operate. Dispenses 10.1 fluid ounces and uses 1-5/16 inch (diameter) by 8.5 inch cartridges. Finish your projects faster and easier with Campbell Hausfeld – The Air Power Expert.