Simple operation; One part silicone gun; Semi-cylindrical gun Kater Sealant Gun9*semi-cylindrical typePole,Gear poleChrome-palated,all other colors can be producedFull steel structure for gun bodyNumber in package(piece): 40Measurement in Package(cm): 43X21X27Net weight(KG): 6.5Gross weight(KG): 7.5