Bayers Spur Shanks are 2-1/2". Thickness is 3/8" ($18.50) or 1/2" (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. Sold in pairs. Made in Texas USA.