Bayers Spur Shanks are 2-1/2". Thickness is 3/8" for $18.50 or 1/2" for 19.50. Constructed from A-36 Steel. The distance from the base of the ear to the end of the shank is 1-1/4". This multi-purpose shank can be shortened or cut to tilt up or down. Shank is square cut as is, you can round off with a belt sander or file, to make it yours. Sold in pairs. Made in Texas USA.