Unibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included. Additional Info: Nickel Crucibles, 25ml Package Size(L x W x H): 2.5 X 2.5 X 2 (IN) Categories: Crucibles, Nickel HTS Code: 7419.99.5050 UNSPSC: 4.11222e+007