Features EXCEPTIONAL SPREAD: The set of two ceramic Tig welding torches provides great coverage and exceptional spread. The inside diameter is 3/4" (19mm), but the unique diffuser design provides better coverage than most other cups of the same diameter. CONVENIENT USE: Ceramic cups are designed for use with 3/32" electrodes only and should not be used with AC power (175A DC maximum). This is because the diffuser will arc and 175A is the upper limit. 2 PCS IN 1 SET: Tig Welding Torch Kit including 2 pcs of TIG Welding Cup in total, Welding Torch Cup provides you with a perfect solution for replacement. High Adaptability: The ceramic cup kit is designed for 9 and 20 style torches and is configured for use with a 3/32" (2.4mm) electrode. Suitable for DB SR WP 9 20 25 WP 17 18 26 tig welding torch. Easy to Install: Tig welding torch set designed to have compact size and light weight, the installation of the ceramic welding cup is very easy to achieve. Specification: Item Type: Tig Welding Cups Material: Ceramic Maximum operating current: 175 A DC Colour: White Scope: suitable for DB SR WP 9 20 25 WP 17 18 26 tig and other welding torches. List of packages: 2 x Tig welding cups Package List 2 x Tig Welding Cups