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Product Code : 64
- Proctor Needle, (Proctor Penetrometer), ASTM D-1558
- Consists of a body housing a spring, a plunger calibrated to read 0-40 kg x 1 kg & a handle.
- Two stems are provided, a larger stem and a shorter stem, both graduated at 12.5 mm intervals, to indicate the depth of penetration.
- The larger stem & the smaller stem are used with needles of larger & smaller areas respectively. Complete with Needles points set comprising each of 0.25,0.5,1, 1.25,2,3.5, & 6 cm. sq & taming pin complete in a nice teak wooden carrying case.