Products » Testing Accessories » Specimen Measuring and Preparation » Specimen Marking Punches » Manual Gauge Point Punch, Combination 25 mm and 50 mm Gauge Length Manual Gauge Point Punch, Combination 25 mm and 50 mm Gauge Length Catalog no. W-6771-B W-6771-B | Manual Gauge Point Punch Combination 25mm and 50 mm Manual Gauge Point Punch. View Accessories Catalog Specification Table Specification Table Gauge Length 25/50 mm