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HMA-306 and HMA-307 Trowels are used in a variety of lab and field testing procedures. Each has a flat blade and wooden handle. HMA-306 has a curved side used for mixing and handling. HMA-307 is straight-edged and is required in some ASTM specifications to ensure proper consolidation and strike-off of mortar and grout specimens. Meets numerous ASTM/AASHTO standards. Trowels are 4.5in (114mm) long and 3in (76mm) wide.
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