Blue Steel Shims

Receive ONE blue steel metal shim for splitting Green River Formation or other shale. Three sizes available for all your splitting needs.

Choose size from the drop down menu.

*If you order 5 or more of our 11" or 24" shims, we'll give you a 15% discount! Cannot combine shim sizes for discount. Discount only applies if you buy at least 5 of the 11" shims or at least 5 of the 24" shims.

An ideal companion to our Estwing Wooden Handle Hammer, available here.