This versatile steel shanked insole board comes in 2 heel heights: HIGH & MID. They are designed to perfectly match the heel pitch of our high-heel lasts and mid-heel lasts in all sizes. The insoles are designed to be trimmed down to fit your lasts and can even be adjusted to fit any pitch if making open shoes, like mules or sandals. Watch our free Youtube video linked HERE on how to cut your shanked insoles to size.Watch our free Youtube video linked HERE on how to adjust the pitch/angle of your shanked insoles to fit the height of your lasts.