CT6689 - 4pcs Insert Power Adapter Set / Magnetic Air Impact Adapter

4PC Air Impact Adapter:
1/4"(F) x 3/8"(M),3/8"(F) x 1/2"(M),1/2"(F) x 3/4"(M),3/4"(F) x 1"(M)

Chrome Molybdenum steel

Surface Treatment: Black phosphate finish

This set of female to male adaptors fit into each other to reduce the drive size to the required size.

They are needed when space or minimum length is required.