Home / Knife / 7 Species Challah Knife by Anat Mayer 7 Species Challah Knife by Anat Mayer By Anat mayer $155.00 Qty Fav It! ABOUT Details Ship Time This 7 Species challah knife by Israeli artist Anat Mayer is a handsome piece of utility art. Get yours today and gain the envy of everyone in the room. SIZE: 12" long x 1.25" wide. Leaves the warehouse in 1-2 business days.