Dual Manufacturing Co., Inc. Rocker Type Field Testing sieve

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 WITRH SQUARE OPENING. SCREEN PLATES OF ANY OPG. ARE AVAILABLE. SEPARATIONS FINER THAN NO. 20 MESH ARE NOT RECOMMENDED. SCREENS ARE HELD IN PLACE WITH TWO LOCKING DEVISES ON OPOSITE SIDES. ALL SCREENS CAN BE CLAMPED INTO FRAME FOR CARRYING & STORAGE. REPLACEMENT SCREENS AVAILABLE FOR PURCHASE SEPARTEL