GAROs PRO QUICK range of PLUGS and SOCKETS with fast connections requires no tools, just these simple steps: 1. Push in cable. 2. Push your thumb to close connector. 3. CLICK ! and cable is connected! CONNECTABLE CABLE SIZE: 16A: 1-2,5 mm² and for solid cable 1-4 mm² 32A: 2,5-6 mm² and for solid cable 2,5-10 mm² Degree of Protection IP44.