Speed Feed 400 ECHO's revolutionary Speed Feed trimmer head Scroll Take the hassle out of refilling your trimmer head by using the easiest loading bump feed head available. Speed Feed 400 reloads in under 30 seconds with just three easy steps, all without taking the head apart. Perfectly balanced for vibration free operation and comes preloaded with 2.4mm ECHO line. Includes adaptors below for fitment to most curved and straight shaft trimmers 10 x 1.25mm LH (Silver) 10 x 1.25mm LH (Gold) 10 x 1.0mm LH (Green) 8 x 1.25mm LH (Red) 3/8-24 RH (Black) Left & right hand cores Mounting studs Spacer ring Line up arrows. Feed line so it's equal at both ends. Twist top disc. Product Details Compatible Products Designed for fitment to most brands of curved, and straight shaft trimmers. Part Number 99944200907 How to load line.