This mill is economical but excellent quality at this price. Well-machined the rollers are tempered steel polished to a mirror shine. Features two flat rollers two wire rollers and a pattern roller with two different patterns. Gear ratio is 3:1 and wire rollers from 0.75 to 5mm. Rollers are simple to change for different applications. NOTE: For drawing plain sheet metal use a maximum 5 SWG gauge -3.75mm- and a minimum of 26 SWG gauge -0.45mm-. For drawing wire use a maximum 5 SWG gauge and a minimum of 20 SWG gauge. Weight 58 lbs.