Half-cylinder Caulking Gun 1. Material;carbon steel ; 2. Spec;350gms/pc,430gms/pc,300gms/pc ; high quality Half-cylinder Caulking Gun 1. Material:carbon steel,aluminum haldle2. Spec:350gms/pc,430gms/pc,300gms/pc3. CNTS:36 pcs4. Each piece in polybag 5. spraying paint6.size:9" Half-cylinder High quality Caulking Gun COC016