[Crimp Securely] - If you solder all crimps, our spade wire connectors crimp securely, take soldering iron heat very quickly, and 60/40 solder will suck into the crimp instantly and quite nicely; a nice concave taper to the fork. [Fit Cable Size] - Great spade wire connectors, they're not too large so they're easy to use with basic primary wire, suits cable/ wire size : 12-10AWG 4.0-6.0 sq.mm; Bolt Mouth Size (suits screw DIA) : 4.3mm / 0.169 Inch. [High Quality] - The thickness complies with international standard, so our insulated fork spade wire connector has good electrical conductivity and also has a insulated shell which make it better performance. [Easy Use] - With these fork spade wire connectors, a drop or two of flux and apply the heat, then a touch of tin and your done, beautiful solder joints you get! [What You Get] - MILAPEAK 100 pcs Insulated Fork Spade Wire Connectors 12-10 AWG, and our friendly customer service.