Package Includes: 20Pcs ceramic ignition needle, ensuring you have a spare on hand for your heaters Crafted to bear up to 105℃, these ignition needle ensures long terms in heaters systems The piezo igniters design provide a stable highly voltages sparks, facilitating efficient heaters ignition With length of 4.50cm / 1.77inch, these ignition needle is designs for easy installation Suitable for most portable furnaces and cassettes heaters, Manufacturer: XIBEIDIANZI