caulking gun RH3042 size 9", 10.5" , 13" steel cartridge powder coatingaluminium handle, aluminium or steel triggerpacking:10.5" 1pcs/polybag, 12pcs/carton, carton size: 54x29x18.5cmg.w./n.w.: 13/12kgs13" 1pcs/polybag, 12pcs/carton, carton size: 60x29x18.5cmg.w./n.w.: 17/16kgsmodel B