Comparison : Item # 9-1302, Series 9 C-clamp w/Removable 2" NPT Bung Mount
Item # 9-1303, Series 9 C-clamp w/Removable 2" NPT Bung Mount
Item # 9-1304, Series 9 C-clamp w/Removable 2" NPT Bung Mount
Item # 9-1305, Series 9 C-clamp w/Removable 2" NPT Bung Mount