The ICON Technologies Spin Weld Fitting Driver is designed for use with 3" raised FPT fittings. Use this driver along with a router to affix spin fittings to your new ICON freshwater tank.• Driver for attaching spin weld fittings to your freshwater tank• Made of durable stainless steel for lasting use• For 3" raised FPT Made of durable stainless steel for lasting use | Icon Technologies Spin Weld Driver, 3" Raised FPT