These stakes are similar in shape to the Fretz F-2 Forming Stake and are designed to be used in series. To create flutes in your work, start with the least severely angled Lining Stake and progress through the Sharp and Extreme Sharp Stakes, refining your flutes with each step. Made of sand-cast, hardened, and highly polished stainless steel in Vietnam. 2 7/8" x 9/16" (74 x 15 mm) with 8 mm tapered square shanks. Fits the H-1 Stake Holder (see related products below).