![Jasic V Groove Feed Roll](https://static.wixstatic.com/media/fc2fb8_469b0ebcb7e44fc4a5e28b3ea169fb51~mv2.png/v1/fill/w_73,h_58,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/fc2fb8_469b0ebcb7e44fc4a5e28b3ea169fb51~mv2.png)
V Groove Feed Roll
Are used for hard wires such as steel, stainless steel where the wire shape is not deformed due to tensioner pressure.
![Jasic U Groove Feed Roll](https://static.wixstatic.com/media/fc2fb8_ce45558b89d0463691124669a9152107~mv2.png/v1/fill/w_73,h_58,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/fc2fb8_ce45558b89d0463691124669a9152107~mv2.png)
U Groove Feed Roll
Are used for soft wires such as aluminium. This type of wire can easily deform its shape making poor current pick up at the contact tip.
![Jasic Knurled Feed Roll](https://static.wixstatic.com/media/fc2fb8_9d0c0ccc558b4111aa2beabcdad2cf76~mv2.png/v1/fill/w_73,h_60,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/fc2fb8_9d0c0ccc558b4111aa2beabcdad2cf76~mv2.png)
Knurled Feed Roll
Are used on tubular cored wires which are easily deformed.