Parallel Y connector 1 male to 3 female (M / FFF) and 1 female to 4 male (F / MMM), doublefor better sealing effect Compatible with PV cables with different insulation diametersExcellent resistance to aging and UV Joint created, dust resistant idea Load capacity with large current and high voltage 5 pairs of male and female solar panel connectors + 5 pairs of solar connector pins (male and female) Makewith high quality materials, compatible with PV cables with different insulation diameters (25 m2 - 6 m2)assembly tool is a hard plastic material which is very convenient for assemblingwires, which allows veteran users to quickly and easily tighten and disassemble this connectors Includes 1 pair of adjustable wrenches Double wrench - Convenient tool, one pair of Y connectors 1 to 3 in parallel and 5 pairs of male / female connectorsRuikarhop Y connectors 1 to 3, assembly tool and 5 pairs of male / female connectors for solar panel