The TSA-176, with 2in bristles, may be used on soil-cement specimens to meet ASTM D 559, D 560, AASHTO T 135, and T 136. The TSA-176A is the same brush with 1-1/4in bristles.
Wooden handle and bristle is Wire No. 26 gauge flat. Bristle length is 2x 2x 7 (51mm x 51mm x 178mm), and the overall dimension is 7-3/4 x 2-5/8
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