The transparent shield cup gives welders an extrodinary visibility and comfortable feeling during the welding job. It is especially designed to helps to weld precision and tiny where it requires to see the location very clearly. Features - ColorAssorted Color - Material: Metal. - Size: Approx. 11 * 3 * 0.3cm/ 4.3 * 1.2 * 0.12 inch(L*W*H). - for durable and long-lasting use. Have the lowest burn-loss rate. - Money saving with long longevity. Fit all -17/18/26 series air cooled welding . - Easy to assemble. Widely compatible with original common spare parts of TIG . Kind Reminder: 1) Please avoid to use all kinds of transparent shield cup where there are spatter during welding job. 2) Please do not knock on the transparent shield cup even if it can bear high temperature. 3) keep it in mind that all kinds of transparent shield cup needs to be used accordiing the welding range. For output welding,the maximum current is 170 A. For output welding,the maximum current is 90A. Package list: 17 * TIG Welding Stubby Gas Lens 10 Cup Kit for Tig -17/18/26