Mastic cartridge gun, Convoy Super 12, Tajima. Optimum performance. 360° rotating handle. Extra-long body. Technical data : For cartridge 310 ml Body material Metal Handle material Metal/Resin Pusher system TT System 360° RH Yes AFS System Yes TT System: The 4 edges of the plate increase the extrusion force of the pusher. An aid for extruding highly viscous materials. 360° RH: For use in confined spaces. AFS System: The plunger retracts a few millimetres after each push to stop the flow quickly and effectively.