ITEM NAME:Ignition Part Plug Ceramic Electrode Igniter With Wire 30cm In Round 2.3mm F1U3 Ignition Part Plug Ceramic Electrode Igniter With Wire 30cm In Round 2.3mm F1U3 Specifications: Suitable for fireplaces and commercial appliances and any Gas items Surface material: stainless steel with zinc Applicable gas series: LPG / propane / butane/NG Ceramic Length:58mm.Thread size: M10*1 Color: black + white material: metal Package Contents: 5X electrode sparks Safety warning: This is a Universal Thread if your installation hole size is Over 10mm and less than 14mm. If can not install well you can do some small modifications on your product.