A+Elite 3-in-1 Retractable Pocket Pen Semmes Weinstein Monofilament 5.07 (10g) Neuropathy Foot Test Filament With Pressure Touch Tip / MonoTemp Sensitivity Diagnostic Folding Tool Assesses touch and pressure sensation in large nerve fibers Alloy tip produces a cool sensation while pointy tip enables pressure testing 2-in-1 test for symmetric polyneuropathy Swiveling tip opens to reveal a 5.07 (10g) monofilament Pocket size pen with a clip that is easy to use