This tool interfaces with the cam gears and is utilized for the critical task of securing and maintaining TDC timing alignment when the cam belt is serviced or removed for other front-engine or cylinder head service tasks. Specifications: Holder Length:27.36’’X1.96’’(69.5 X 5 CM) Features: Use to hold/secure both camshafts at TDC position when replacing timing belt. Pin: Special designed for fixing the crankshaft angle. Correct timing adjustment. Crankshaft lock pin holds crankshaft at TDC (top dead center) when removing and installing toothed timing belt and flywheel/drive plate. .