Hardened/ Non-Hardened type Sprue Bush is designed with a head of diameter sizes ranging from 30inches to 38inches. The Sprue Bush is made using quality grade hardened or non-hardened material to ensure durability of use. The Sprue Bush has the body of diameter size range of 16 inches, 19 inches or 22 inches. The Hardened/ Non-Hardened type Sprue Bush comes in varying lengths to suit specific applications.