This 3.5 mm instrumentation obturator is a high-rigidity small joint surgical guide component precision-machined to facilitate low-resistance passage of companion cutter cannulas into joint structures. Its blunt tracking tip prevents accidental articular cartilage shear defects or neurovascular scoring during primary arthroscopic port entries. Fabricated from medical-grade surgical alloy to guarantee absolute structural alignment and perfect fitment within Stryker small joint arthroscopy trays.