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2-Gang Prism Molds, 1x1x10in (25x25x254mm) cast Portland cement paste, mortar, or concrete prism specimens for use in length change testing. The mold comes with a base plate, removable partitions, and end plates to provide the required length between ends of HM-268 Gauge Studs cast on ends of bars. Dimensions from the outside end of gauge studs are 11.625in (296mm) with specimen cross-sections of 1x1in (25x25mm).
HM-257 is constructed of steel.
HM-258 is constructed of stainless steel.
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