EFFECTIVE HEAT TRANSFER High quality cooper core delivers effective heat transfer to the solder point LONGER LIFE Iron and chrome plating extends the service life to the soldering tip. WELLER GENIUNE TIPS Weller genuine ET tips have a long life, which reduces the total cost of ownership for WE1010 Series Soldering Station. Over time, this soldering station could even pay for itself through decreased costs for tips and maintance. PROPER TIP SIZE SELECTION Select your Genuine Weller Tip size and geometry to ensure it is sufficient to effecitvely heat the joint. DESIGNED FOR USE WITH Weller ET Soldering tips are designed to be used on the following Weller Soldering Station Models: WE1010, WE1010EDU, WES51/50, WESD51 and LR25