[3350 Welding Helmet Lens Size]10PCS Outside Welding Lenses 133x114mm+ 10PCS Inside Welding Lenses 103X97mm. Suitable for all welding helmet lenses of the same size. Including compatible with for Viking 3350, 2450, 750S and 850S series, providing and protection. [Fits for 3350 Lenses Material]The replacement for Viking 3350 lenses is made of polycarbonate material, which has excellent impact resistance and abrasion resistance, ensuring clear vision and safe protection during long-term use. [Function and Use]The welding hood clear lens can effectively filter harmful light and protect your eyes from strong light and splashes generated during welding. Whether it is daily maintenance or professional welding operations, our welding helmet lens are your indispensable partners. [Recommended Replacement]Depending on the frequency of use and working environment, it is recommended to check the status of the welding hood lens regularly. If obvious scratches, stains or damage are found, it should be replaced in time to the best protection and clarity of vision. [Package included]10 PCS Outside Welding Lenses + 10 PCS Inside Welding Lenses. Meet the needs of long-term use and reduce the trouble of frequent purchases. Colour:As Shown Material:PC Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 10 * Outside Welding Lenses 10 * Inside Welding Lenses Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.