The F-3 Doming Stake from Fretz has two concave ends and a slightly rounded top for shaping rings, bezels, and other small domed shapes. Fretz stakes are made from hardened 420-grade stainless steel with highly polished areas to prevent scratching or marring your workpiece. Designed for use with Fretz H-1 or VH-1 holders (holders may be shown in the picture, but are sold separately). Made in Vietnam.