Question

17 multiple choice 1 point which tool would you use to service this fastener torx socket combination wrench #4 screwdriver allen wrench or socket

Explanation:

The fastener has an hexagonal - shaped recess. An Allen wrench or socket is designed to fit into such hexagonal recesses for tightening or loosening. Torx sockets are for Torx - shaped fasteners, combination wrenches are for nuts and bolts with flat - sided heads, and a #4 screwdriver is for slotted or Phillips - head screws.

Answer:

D. Allen wrench or socket