Ingersoll Rand SK34C86N Combo Standard & Deep Socket Set, 1/2" & 3/8" Dr, 86-PcForged with chrome molybdenum steel for strength in high torque applications. Laser etching ensures easy identification of size information to get the job done faster. Includes All Sockets model no# SK3H8, SK3H8L, SK3M8, SK3M8L, SK4H13, SK4H13L, SK4M14 and SK4M14L. 86 pieces Includes SAE & Metric, Deep & Standard styles Industrial grade sockets for high torque applications Forged with chrome molybdenum steel for strength and durability Size and