Specification Brand : Select Dental BulletPoint1 : Created using a special manufacturing process and made from the highest quality fine grain quartz, these crucibles are ideal for all types of metal. BulletPoint2 : Even heat distribution provides for finer casting. BulletPoint3 : Non-contaminating, Long lasting, Withstands high heat. BulletPoint4 : Type S - Slotted BulletPoint5 : * Packaged individually ItemName : Fine Grain Quartz Crucible - Slotted ItemTypeKeyword : crucibles Manufacturer : Select Dental PartNumber : 400-2030 ProductDescription : Created using a special manufacturing process and made from the highest quality fine grain quartz, these crucibles are ideal for all types of metal. Even heat distribution provides for finer casting. Available in 2 types: Slotted and Closed, each with the same superior characteristics: Non-contaminating, Long lasting, Withstands high heat. * Packaged individually ProductSiteLaunchDate : 2014-08-09T02:02:26.607Z