RP material weighing 2 to 2.5 kg (approximately) pulling power 9.2 inches. yesterday (14/02/2014) we took test with rice (MR). colour Brownish black. contact us imm..... antiquesellertuty@gmail.com come here verify it ant u can test the product for two days and then proceed contact person jeyakumar 8883123850, tuticorin, tamilnadu