Specification Brand : CME Tools BulletPoint1 : Allows for precisely clamping workpieces at specific angles when used in conjunction with gage blocks BulletPoint2 : 8 1/2" Length x 3" Width x 4 1/8" Overall Height; 0.0002" Base Parallelism BulletPoint3 : 5" Distance Between Rollers BulletPoint4 : 3" Jaw Width; 1 7/8" Jaw Height; 4 1/4" Maximum Opening; Grooved Jaw Texture; Steel Jaws; 0.0002" Jaw Parallelism BulletPoint5 : Includes: Allen Key BulletPoint6 : 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. BulletPoint7 : 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. Color : Multicolor ExternallyAssignedProductIdentifier1 : 736530758868 ExternallyAssignedProductIdentifier2 : 0736530758868 ItemName : CME Machinist's Sine Vise, 3" Jaw Width, 4 1/4" Maximum Opening, 5" Distance Between Rollers ItemPackageQuantity : 1 ItemTypeKeyword : bench-vises Manufacturer : CME Tools Material : Tool Steel ModelNumber : LMS4491 NumberOfItems : 1 PartNumber : SINE-V5 ProductDescription : Sine Vise ProductSiteLaunchDate : 2018-02-24T20:06:46.552Z Size : 5" Style : Modern UnitCount : 1