Assesses for touch and pressure sensation in large fibers Foot Test Monofilament 10gsm Pen Diabetic Retractable Foot Tester 4pcs Monofilament Diagnostic Tool Set Diabetic monofilament is a diagnostic tool that checks for symmetric polyneuropathy that utilizes both thermal and pressure testing. , cost effective of testing for the or absence of protective sensation. Helps identify patients at risk of developing diabetic foot