GRS MicroBlock® + 520 Attachment Set (SKU: 003-684)

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Complete Compact Ball Vise System for Jewelry Engraving, Stone Setting & Microscope Work The GRS MicroBlock® + Attachment Set combines the precision and versatility of the popular GRS MicroBlock® Vise with the complete GRS 520 Attachment Set, giving jewelers, engravers, and precision craftsmen a ready-to-use workholding solution for a wide range of detailed applications. Designed for professionals who need strong work support in a compact, maneuverable format, the MicroBlock® features a self-centering jaw system, smooth adjustable rotation, and a low-profile design ideal for microscope-assisted work. The internal rotational brake allows you to customize movement from free rotation to a completely locked position, providing precise control during engraving, stone setting, and small precision projects. The included 520 Attachment Set expands the MicroBlock’s versatility with a variety of pins and holding accessories designed to solve challenging workholding situations. These attachments fit the upper jaw plates of GRS blocks, allowing you to securely hold a wide range of shapes, sizes, and delicate components. Features & Benefits Complete MicroBlock® vise system with 520 Attachment Set included Compact design provides excellent stability without taking up excessive bench space Self-centering jaws make positioning workpieces faster and easier Adjustable rotational resistance from free movement to locked position Low-profile design is ideal for microscope engraving and stone setting Easily tilts to inspect stone depth or adjust working angles Includes multiple pins and fixtures for expanded workholding options Compatible with a wide range of GRS engraving and jewelry applications Durable professional construction for daily workshop use Made for precision jewelers, engravers, and craftsmen Package Includes GRS MicroBlock® Vise MicroBlock® precision ball vise Plastic base Vise pins Screws Wrenches Hex key Thermo-Loc® sample kit GRS 520 Attachment Set (#003-520) 4 half Thermo-Loc® sticks 8 small pins 4 flat square pins 2 rectangular inset-curve pins 4 thick round inset pins 8 rubber-coated pins 2 leather-faced ring clamp pins Molded storage base Key Specifications Brand: GRS Product: MicroBlock® + 520 Attachment Set SKU: 003-684 MPN: 003-684 UPC: 196943900481 Vise Type: Compact ball vise Ball Diameter: 80 mm Maximum Jaw Opening: 50 mm Weight: Approximately 5.5 lbs Application: Jewelry engraving, stone setting, precision workholding Country of Origin: USA Ideal Applications Jewelry engraving Stone setting Hand engraving Bright cutting Watch repair Fine jewelry fabrication Microscope-assisted engraving Small metalworking projects Custom knife and firearm engraving Precision inspection and assembly Why Choose the GRS MicroBlock® + Attachment Set? The MicroBlock® offers the control and precision professionals expect from GRS in a smaller, more versatile package. Its compact size makes it especially valuable for microscope users who need excellent access and maneuverability without sacrificing stability. Adding the 520 Attachment Set transforms the MicroBlock into a highly adaptable workholding system capable of handling a wide variety of project shapes and materials. Frequently Asked Questions What is included with the GRS MicroBlock® + Attachment Set?This package includes the complete MicroBlock® Vise, accessories, and the GRS 520 Attachment Set with a variety of pins and holding fixtures. Is the MicroBlock® suitable for microscope work?Yes. Its low-profile design and compact footprint make it especially well suited for microscope-assisted engraving and stone setting. What is the advantage of the 520 Attachment Set?The attachment set provides multiple holding options for irregular, delicate, or uniquely shaped workpieces, increasing the versatility of the MicroBlock®. Does the MicroBlock® rotate?Yes. The internal rotational brake system allows users to adjust resistance from free movement to a locked position for maximum control. Can the attachments be used with other GRS vises?Yes. The 520 Attachment Set is designed to fit the upper jaw plates of GRS blocks, expanding compatibility across many GRS workholding systems. SHIPPING METHOD: This item must ship via UPS. During the checkout process you may be offered Priority Mail but this item must ship via UPS. If you select Priority Mail, it will only slow down the process as we will have to change the shipping method after the fact and charge the difference. We have learned the hard way to not ship fragile or high value items via Priority Mail. , SKU: 003-684 UPC: 196943900481 Brand: GRS MPN: 003-684 Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided. H047A Show more