Description:Adopting smooth surface and compact size design, this roller will not hurt your hands when installing it and is easy for you to use.Because of its durable and wear-resistant feature, it will not easily to broke and has a long service life.This wheel is made of high speed steel material.The diameter of this roller is 4cm and the height is 2cm.It is suitable for most of this wire feeder.Item Name: Wire Feed RollerMaterial: High Speed SteelStyles: 1: Dual-drive Groove 0.8-0.8, 2: Dual-drive Groove1.0-1.0, 3: Dual-drive Groove 1.2-1.2, 4: Single Drive Groove 0.8-1.0, 5: Single Drive Groove 1.0-1.2, 6: Single Drive Groove 1.2-1.4Features: Compact, Durable, PracticalSize Details: 4cm x 4cm x 2cm/1.57 x 1.57 x 0.79 (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Wire Feed Roller