How long is the shaft of the CST1200 at both its shortest and longest points? Support December 10, 2020 21:56 Updated Follow The shaft is 44" at its shortest point and 48" at its longest point. Related articles What is the lever part number for the BLACK + DECKER BESTA510 Grass Trimmer? Can I buy Black and Decker parts online? Is it normal to find oil on the shaft of a string trimmer? How to install and remove the battery from BLACK+DECKER'S CST2000 string trimmer. Comments 0 comments Please sign in to leave a comment.