The last caulk gun you will ever buy. Honestly. It has all the features that help you lay that perfect bead of caulk - ergonomically designed trigger, handle and body for fatigue-free gunning all day long, rotating barrel for constant beading around corners, machined blade for cutting a perfect nozzle profile, an extra long clean out poker for nozzle maintenance - all this and the original and still unmatched Dripless mechanism which stops the flow of caulk when you release the trigger. The engineered, advanced composites that make up the body, trigger and handle of the ETS guns give strength and durability at a fraction of the weight of a comparable metal gun.