In this auction, you bit for brushes 4mm² banana sockets + Teflon cover. The usable part is minimum 50mm long. You can use them with 4mm laboratory plugs which are used also for audio speaker (The cable is not part of this auction). You don't need a hand grip. For cutting the Teflon cover, you can use a knife or scissors. The maximum current is 32A with a minimum 2,5mm² wire. Fast shipping: If you buy three ore more items, you will get free world wide priority air freight! This will bring you a shorter delivery time and more security ( shipping in max. 7 days) in general: You bit for carbon fiber brushes / pickling brushesfor cleaning of welding seams. You can erase with these brushes the temperingcolors which are coming from the welding process at stainless steel V2A / V4A /AISI 206 / AISI 304 / AISI 316 or similar material which is quenched andtempered. These brushes are produced for electrolytic picklingand using with mordant. You use them with a power source. It is not importantfor our brushes if you use AC or DC electric current. These brushes are for cleaning / pickling of weldingseams of the welding process by WIG, MIG, MAG, TIG or for aluminum. With auseable fluid, you can use them also for passivating and marking. For a longer standing, you should use them in a teflon-tube(PTFE) and let the working end as short as possible. These tubes aretemperatures resistant up to 160°C and also chemical resistance. Our brushes are produced of items which are used alsoin the electrical engineering. The protection cover of the brush is temperatureresistant up to 160°C and chemical resistance. Please check also our otherauctions! If you need any special mounting system for yourbrushes, please feel free to contact us.