Blade blanks designed for Shad Blade and Vibrating lures with all the necessary holes punched. Brass finish blanks can be painted. Nickel-plated blanks need only lead molded on and hooks attached. Use the ZB-M blanks for 1/2, 5/8, and 3/4 size lures. Use ZB-S for 1/4 and 3/8 size lures.