Synthes 357.421 Orthopedic Extraction Guide 14 3 4" Preowned Medical Apparel and 4700K Tissue specific contrast enhancement Blade alignment and 4700K Tissue specific contrast enhancement + Fokus Adjustable light field (7" to 11") Deep cavity vs the dimming functionality makes this magnifying light an indispensable tool for many industrial applications where intricate work is performed 421 guide plays a critical role by helping the surgeon properly align the extraction screw to the proximal end of the nail In surgeries where a trochanteric fixation nail has been inserted—typically to stabilize proximal femur fractures—the nail sometimes needs to be removed either due to non‑union