Features: Quality replacement feeding rolls for Welding Wire Feeder System of MIG/MAG welding machine. Made by stainless steel, high and precision and strength, brings long life and smooth feeding. It provides very stable feeding through the pushing system, high efficiency even in lower feeding speed. The Feeder Roll Dimension (ODxIDxH) is: 30x10x10mm(1.2x0.4x0.4"). 2 Different Grooves for different application:V-Groove for Carbon Steel Wire i.e. ER70S-6, Copper Wire i.e. CuSi.V-Groove for Aluminium Wire i.e. ER4043. Package Includes: 1x Wire Feed Roller Specifications: Material: Stainless Steel Size: approx 3x1x1cm/1.2x0.4x0.4in note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.