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Revolution Counter, Rotary Counter, 4 1 Digits, 1:3 Ratio
Heavy-duty industrial counter with high visibility digits.
Specific Gravity Set
Measure density and specific gravity accurately and easily.
Timer (Desktop)
Simple and affordable desktop timer for lab and exercise.
Universal pH Paper (pH 1-14)
80 detachable pH strips for rapid liquid pH measurement.
Vernier Caliper, Dual Scale
Precision measurement tool for inside and outside measurements.
Vernier Caliper, Dual Scale, Made Of Hard Plastic, Wholesale Only
Wholesale plastic caliper with dual scale.