WiziWig Profile Ribs are high-quality, 18-gauge stainless steel tools for creating consistent shapes on the outside of wheel-thrown clay pieces. Great for making sets, each tool has a whimsical name that matches the type of ware it's intended to be used for. - WiziWig Tools Profile Ribs - Goblet, LucileProfile Ribs, GOBLET LUCILE - Use 1/4–3/4 lb of clay for a 6–8 oz goblet. Throw a 3" H x 3" W cylinder. Can also be used as a bowl, mug, or planter profile rib. Measures 4-1/4" H x 3-3/4" W.