GEARWRENCH 4 Pc 1/2 In Drive Impact Extension Set

GEARWRENCH impact extensions are made from chrome molybdenum alloy steel for superior strength and durability. Drive end has a pin hole to use with pin and o-ring for securing to the impact wrench. The slide locking mechanism securely attaches socket to the extension. Extensions have a manganese phosphate coating for corrosion resistance. The extensions also feature high-visibility laser etched markings that are easy to read and allow the user to identify size quickly. The 84950N is a 4 piece 1/2 In. drive set that includes 3 In., 5 In., 10 In., and 15 in. sizes.