The O'Connor Tweezer (left) and Finger Dexterity (right) Tests examine fine motor coordination. Each board is 11 × 5.5 inches (28 cm × 14 cm) with 100 holes and shallow wells to hold the pins. The black covers slide through grooved channels to keep pins in place during storage. Source: Examination of Coordination and Balance, Physical Rehabilitation, 6e Citation: O’Sullivan SB, Schmitz TJ, Fulk GD. Physical Rehabilitation, 6e; 2014 Available at: https://fadavispt.mhmedical.com/DownloadImage.aspx?image=/data/books/1895/osullrehab6_ch6_f007.png&sec=136486285&BookID=1895&ChapterSecID=136486150&imagename= Accessed: November 13, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved