Specification Brand : LittleMachineShop.com BulletPoint1 : Overview: This collet block provides easy indexing for 3 and 6 divisions. Includes ER-32 collet nut. BulletPoint2 : Specs: The collet block is 1.75" across the flats and the body is 2.8" long. ER-32 collets have a range of 1/16" to 13/16" (2 mm to 20 mm). BulletPoint3 : Tips: With all ER collet chucks, the collet must be snapped into the nut before placing it into the chuck. BulletPoint4 : About Us - LittleMachineShop.com is a small U.S. business specializing in sourcing and selling quality machines, tooling, spare parts, and accessories for home shop machinists and small machine shops. Additionally, we sell upgrades and accessories for many of the leading brands. Whenever possible, we work with, and promote, other small US machinists and machine shops who sell innovative products. With direct US based customer support from our knowledgeable team, we stand behind all our products. BulletPoint5 : Contact Us: As home shop machinist and consumers, we understand how information aids in your buying decision. We also know how frustrating it is if you cannot contact a company. If you have any questions, please feel to reach out to us and we would be happy to help. Should you have any doubts before buying a product, contact us to discuss compatibility or features. In the event you need to return something, we also ask for the courtesy of a contact to see if we can eliminate any possible issues. BulletPoint6 : 【Packaging】: Each collet is individually packaged for protection and easy storage. Capacity : 0.25 inches Color : Silver CompatibleDevices : Lathe CompatibleDevices1 : Drilling Machine CompatibleDevices2 : Lathe CompatibleDevices3 : Milling Machine CompatibleDevices4 : CNC Drilling Machine CompatibleDevices5 : CNC Lathe CompatibleDevices6 : CNC Milling Machine ExternallyAssignedProductIdentifier1 : 736530758677 ExternallyAssignedProductIdentifier2 : 0736530758677 IncludedComponents : ER-32 hexagonal collet block IncludedComponents1 : 3PCS R8 Collets (1/8", 1/2", and 3/4") IncludedComponents2 : Protective Individual Packaging for Each Collet ItemName : ER-32 Hexagonal Collet Block - Range of 1/16" to 13/16" (2 mm to 20 mm), LittleMachineShop.com (4105) ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 4.33 inches ItemPackageDimensions_Width : 4.33 inches ItemPackageQuantity : 1 ItemTypeKeyword : workholding-collets Manufacturer : LittleMachineShop.com Material : hardened steel ModelName : ER-32 Hexagonal Collet Block (4105) ModelNumber : LMS4105 NumberOfItems : 1 PartNumber : 4105 PowerSourceType : ac ProductDescription : This collet block provides easy indexing for 3 and 6 divisions. The hexagonal collet block is 40 mm (1.57") across the flats. The hexagonal body is 40 mm (1.57") long. ER-32 collets have a range of 1/16" to 13/16" (2 mm to 20 mm) ProductSiteLaunchDate : 2016-12-12T00:00:00.000-08:00 Size : 3PCS SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 27111700