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For sieving of coarse aggregates and other materials. Consists of a 12" square frame and rocker type collection box with handles. Includes 3", 2", 1.5", 1", 3/4", 1/2", 3/8", & #4 ASTM wire screen with square opening. Screens are held in place with two locking devises on opposite sides. All screens can be clamped into frame for carrying & storage. Replacement screens available for purchase separately.Screen plates of any opening are available. (Separations finer than no. 20 mesh are not recommended.)
Rocker Type Field Testing Sieve