Specification Brand : Shars BulletPoint1 : Collet Series: ER20 BulletPoint2 : TIR: 0.0005" BulletPoint3 : Made from alloy spring steel and hardened to HRC 44-48 BulletPoint4 : All fractional size is true imperial size, not a metric conversion size BulletPoint5 : Conform to DIN6499B Color : Silver ExternallyAssignedProductIdentifier : 8593827430775 ItemName : Shars 3/16" ER20 CNC Precision Ground Collet 202-5524 ![ ItemTypeKeyword : workholding-collets Manufacturer : Shars Material : Alloy Steel PartNumber : 202-552 ProductDescription : Suitable for the 3-8mm thick glass. Can be installed on the glass shelf, glass cabinet door or other glass furnitures.