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. 10gsm Pen Diabetic Retractable Foot Tester 4pcs Monofilament Diagnostic Tool Set Foot Test Monofilament Assesses for touch and pressure sensation in large fibers Helps identify patients at risk of developing diabetic foot