EcBy TECH 23 oz Manual Sausage Pack Caulking Gun,Caulking Gun with Aluminum Barrel,390mm 600ml Sausage rubber,24:1 Thrust Ratio for Decoration,Hardware Tools [Silver&Black] High thrust 24:1 driveeasy to use Aluminum barrel, 390mm, 600ml. Complete sausage pack compression,cuts waste Rotating swivel handleiron frame plating machine 23oz, full length 400mmstrong and durable Kit includes 2 yellow durable sausage pistons and 2 yellow cone nozzles Applicable to all types of laminated construction industry, home decoration and adhesive construction industry