Model 1513A Drill Gauge (29 holes range 1/16″ – 1/2″) Model 1513B Drill Gauge 1- 60 (60 holes) Model 1513C Drill Gauge 1.5 – 12.5 mm. (60 holes) Model 1510 Twist Drill Gauge Model-DS-1513A & 1513C Drill stand