Comparison : Item # 30236779, Ohaus RC41M3, 6 Pound (lb)/3 Kilogram (kg) Capacity Ranger 4000 NTEP Bench Counting Scale
Item # 30236940, Ohsus RC41M6, 15 Pound (lb)/6 Kilogram (kg) Capacity Ranger 4000 NTEP Bench Counting Scale
Item # 30236941, Ohaus RC41M15, 30 pound (lb)/15 kilogram (kg) Capacity Ranger 4000 NTEP Bench Counting Scale
Item # 30236942, Ohaus RC41M30, 60 pound (lb)/30 kilogram (kg) Capacity Ranger 4000 NTEP Bench Counting Scale