This mold is designed to produce 10" effective gauge length prism test bars. It features removable partitions, base, and end plates. The effective gauge length is measured from the inside end of the studs. The molds produce cement prism specimens that are 11.25" long. Including the studs, the outside to-outside length of the specimen is 11.625". Specifications: • Size: 40 x 40 x 160mm (1.6 x 1.6 x 6.3") • Mold Type: 3-gang mold • Material: Cold-rolled steel