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The tools of the Acutrak plus compression screw (APCS) system include guide pin, reamer, and compression screw. a Guide pin (left) and reamer (right). b Compression screw. The screw tip is 5 mm and the tail is 6.5 mm in diameter. The minimum length is 35 mm and the maximum is 80 mm. The characteristics of the APCS include fully-threaded length, headless, cannulated, and variable thread pitch
