Riffle Box Used for the rapid preparation of dry material such as cement, gravel, sand, soil etc. Material poured into the hopper is divided into two equal portions by a series of slot that discharge the material alternately in opposite direction into separate pans. Standard:EN 932-1, ASTM C136, BS 812, AASHTO T27 / T87 Technical Specifications: Model Sloth Width Sloth No. Receiving container Dimension (LxWxH) Weight NO.1 ¼ inch / 6.3 mm 12 3 nos. 193 x 133 x 142 mm 1.5 kg NO.2 3/8 inch / 9.5 mm 12 3 nos. 265 x 107 x 175 mm 3 kg NO.3 ½ inch / 12.7 mm 12 3 nos. 266 x 161 x 176 mm 3 kg NO.4 ¾ inch / 19.0 mm 12 3 nos. 400 x 214 x 263 mm 7 kg NO.5 1 inch / 25.4 mm 12 3 nos. 340 x 243 x 295 mm 7 kg NO.6 1½ inch / 38.0 mm 8 3 nos. 483 x 286 x 390 mm 15 kg NO.7 2 inch / 50.8 mm 8 3 nos. 573 x 286 x 390 mm 18 kg NO.8 2½ inch / 63.5 mm 8 3 nos. 653 x 380 x 430 mm 20 kg Skype=chinesemoulds(at)yahoo(dot)com WeChat=503839708 Q=2652023298