The TAJIMA CONVOY® Super Caulk Gun is a 1/10 gallon gun with Tajima’s powerful twin-thrust dispensing system. With its special hardened steel shaft and thrust plates, you get consistent, non-slip performance. The Unique X-Frame™ build is ideal to better secure tubes and ensure fast, hassle-free reload. There is an Auto-Flow Stop to control material seepage / oozing. Its extra-long and rigid steel seal puncture tool, retracts onto the frame. This tool has a lightweight but strong nylon / fiberglass construction, with ladder hook.