Hand Tool Dexterity Test: Functional dexterity test involves disassembling nuts, bolts and washers from one upright end board and reassembling them in the same orientation and order on the other end. Measures skill in use of ordinary tools (wrenches and screwdrivers) as well as skills for many assembly, mechanic and industrial jobs. test is also useful as an observational tool in assessing sequencing, planning and spacial orientation skills. Dexterity norms included. Latex free.