Flare nut design for better grip without slipping Crowfoot wrenches work in tight spaces where ordinary sockets and wrenches cannot Chrome vanadium steel for strength and durability Fully polished chrome finish for easy clean up Limited lifetime warranty against defects in workmanship and materials Set Includes: PLT-99311 – 3/8 PLT-99312 – 7/16 PLT-99313 – 1/2 PLT-99314 – 9/16 PLT-99315 – 5/8 PLT-99316 – 11/16 PLT-99317 – 3/4 PLT-99318 – 7/8