MiaBakery 4 Inch Cake Baking Heating Core - Heating Core Rod for Baking - Evenly Baked Cakes - Stainless Steel - Dish Washer Safe - Set of 4 Professional Quality Heating Cores - Use Them With Any Cake Pan - Dish Washer Safe Engineered For Effectiveness - Evenly Bakes Cakes Replace The Flower Nails (they rust) - These Are Not Flower Nails These Cake Heating Core Pins Are 4 Inches Tall and Made Of Stainless Steel (they will not rust, they will not bend, they will not break) Lifetime Guarantee - Robust Design For An Effective Heat Transfer