This is a full cast iron firebar set to fit a Hunter Herald 14, Herald 14 Double Sided Double Depth and Inglenook High Output stove. The 'small end' fire bar is also known as a High Lift bar. It has a 'Smaller' hook and sits 'Higher' on the shaker bar. The 'big end' fire bar is also known as a Low Lift bar. It has a 'Bigger' hook and sits 'Lower' on the shaker bar.