1. 4",7", 8",10",14",20", 25", 28" inch rice rubber roller 2. Cast Iron Drum,Aluminium Drum 3. Got ISO9001- ... and abrasion resistance;3.Offering very strong bonding between rubber and drum;4.High shelling efficiency up to 95%;5.The SBR ... .5±0.5ColorBrown, white, amber,CreamHardness Shore A90-95degree Rice Rubber Rollers For Rice Processing Machine