Baseline-12-1034HR Hires Xtender Extendable 360 Degree Goniometer, 12.5"-33" Length

This is nice to line up accurately with bony prominences on longer bones (instead of just eyeballing it). Well Made. Despite the produce name ("Baseline XTender Hires 360 ISOM Goniometer Qty 50"), this is sold in a quantity of one for the listed price, not 50.