This connector set is supplied with special Fluorosilicone (FVMQ) seals specially molded by Racetronix. Unlike silicone seals that disintegrate in fuel and solvents , these FVMQ seals are resistant to solvents and fuels so they are safe to use in your gas tank. This weatherproof connector set is recommended for the following medium-current applications: Fuel Pumps FOR USE WITH FUELS. SPECIFICATIONS (KIT): WIRE O.D. (mm): 2.03-4.30mm WIRE GAUGE (AWG): 10, 12, 14, 16 KIT INCLUDES: 1 x Female Connector Body with FVMQ seal (installed) 1 x FVMQ Cable Seal (installed) 10 x Female Terminals 10-12 Ga. (typically used for pump power) (4 spare) 10 x Female Terminals 14-16 Ga. (typically used for pump power) (4 spare) 4 x Female Terminals 18-20 Ga. (typically used for level sensor) (2 spare) 2 x Cavity Plugs (White) NOTE: Proper B-type crimpers and soldering equipment are recommended to properly assemble this connector set.