Technical Specifications: Color: Green Type: Rolling Mill Item Type: Jewelry Tools & Equipment Material: Stainless alloy Roller Width left up: 85mm Middle Roller width: 50mm Maximum opening: 0-5mm Square wire (+/-0.01mm): 1,1.5, 2, 2.5, 3, 4, 6 Round wire (+/-0.01mm): 2,3,4,5,6,8 Combination Round length shape: 120(mm) Round Diameter: 60(mm) Features : Rollers are easy to change for different applications, ideal for drawing wire right in your own home; The outer 3 mm of the rolls are hardened to around 60 HRC for superior deformation resistance; True gear reduction with easily turned short handles; Rolls made from stainless alloy that offers good wear resistance; Package Contents: 1 x Rolling mill machine