4 Pc. 1/2" Drive Impact Extension Set 3", 5", 10" & 15" -

Flex socket design provides more access to fasteners in tight confines

Chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability

Off-corner loading design for reduced fastener rounding

4 pc. 1/2" Drive impact extension Set 3", 5", 10" & 15". Made from chrome molybdenum alloy steel (CR-MO) for exceptional strength and durability.