They are durable and specifically made to withstand high torque from power tools. Drive Stubby Impact Socket Set is perfect for working in tight spots. The stubby size is 20% shorter than shallow length sockets. 1/2 in Drive 13 mm 6-Point Metric Stubby Impact Socket Each item is expertly coated with manganese phosphate, the preferred coating in military and aerospace, which offers superior protection and corrosion resistance compared to black oxide coating on other impact sockets.