GRS 004-940 Magnum® Palm Handpiece – Engraving & Stone Setting

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The GRS 004-940 Magnum® Palm Handpiece is a powerful, versatile pneumatic engraving handpiece designed for professional hand engraving, stone setting, fine shading, deep engraving, and heavy hammering. The Magnum delivers an exceptionally broad range of power, allowing engravers to move from delicate detail work to demanding heavy-duty applications with a single handpiece. Despite its compact size, the Magnum provides substantial impact power while maintaining precise control. Its ergonomic palm-style knob encourages a natural hand position and makes the handpiece particularly comfortable for larger hand sizes or engravers who want additional power and versatility. The GRS Magnum is an excellent choice for professional engravers, jewelers, stone setters, and metalworkers who need a handpiece capable of handling both fine engraving and deep, powerful work. Features & Benefits Full range of power – Provides controlled power from the finest shading to heavy hammering. Excellent power and control – Combines substantial impact force with the control needed for detailed engraving. Compact, powerful design – Delivers impressive power in a relatively compact handpiece. Ergonomic palm knob – Designed to encourage a more natural and comfortable hand position. Ideal for larger hands – The Magnum's ergonomic design is especially well suited to artists with larger hand sizes. Fine shading capability – Provides the control required for delicate shading and detailed engraving. Deep engraving capability – Offers the power needed for deeper cuts and demanding engraving applications. Heavy hammering – Provides the impact necessary for heavier engraving and metalworking. Versatile professional handpiece – Suitable for engraving, stone setting, shading, and deep work. GRS quality – Manufactured by GRS in the United States. Key Specifications Brand: GRS Model: Magnum® Palm Handpiece GRS Part Number: 004-940 MPN: 004-940 UPC: 196943900962 Product Type: Pneumatic Impact Engraving Handpiece Handle Style: Palm Knob Weight: Approximately 0.65 lb. / 298 g Handpiece Weight: Approximately 160 g Control: Foot control Applications: Engraving, stone setting, shading, deep engraving, heavy hammering Made In: USA GRS lists the 004-940 at approximately 0.65 lb., while distributor specifications identify the handpiece itself at approximately 160 g. Exceptional Power Range The defining feature of the GRS Magnum is its unusually broad power range. It can be controlled for extremely fine shading and detailed engraving while also delivering the impact needed for heavy hammering and deep work. This versatility makes the Magnum particularly useful for engravers who work across multiple techniques and want to avoid switching between several handpieces during a project. GRS specifically describes the Magnum as providing a full range from the finest shading to heavy hammering. Ergonomic Palm Design The Magnum's ergonomic palm knob is designed to provide a more natural hand position during engraving. The shape is particularly beneficial for artists with larger hands or anyone who prefers a palm-style grip. The standard 004-940 Magnum Palm Handpiece should not be confused with the 004-940-OVAL Magnum Oval Handpiece. The Oval version has additional weight and length and is a separate GRS model. Ideal Applications The GRS 004-940 Magnum is ideal for: Hand engraving Jewelry engraving Stone setting Fine shading Deep engraving Relief engraving Decorative metalwork Heavy engraving Hammering Professional metalworking What's Included 1 GRS 004-940 Magnum® Palm Handpiece Compressed-air hose 6 QC tool holder inserts The 004-940 is supplied with six GRS QC tool-holder inserts according to current distributor specifications. Compatible GRS Systems The Magnum is designed for use with compatible GRS pneumatic engraving systems, including systems such as the GraverMach AT, GraverMax, and GraverSmith. GRS identifies the 004-940 as part of its standard handpiece lineup. Important: The 004-940 is the standard Palm version. GRS also offers the 004-940-ATSS Airtact and 004-940-OVAL Magnum Oval as separate models. Frequently Asked Questions What is the GRS 004-940? The GRS 004-940 is the Magnum Palm Handpiece, a pneumatic impact handpiece designed for engraving and stone setting. It provides a very broad power range from fine shading through heavy hammering. What is the GRS Magnum used for? The Magnum is designed for a wide variety of engraving and metalworking applications, including fine shading, deep engraving, stone setting, relief engraving, and heavy hammering. Is the 004-940 good for fine engraving? Yes. Although the Magnum is capable of substantial power, it also provides the control necessary for fine shading and detailed engraving. Its broad operating range is one of its primary advantages. Is the GRS Magnum good for larger hands? Yes. GRS specifically notes that the Magnum is a good choice for artists with large hand sizes, while its ergonomic knob promotes a more natural hand position. What is the difference between the 004-940 and 004-940-OVAL? The 004-940 is the standard Magnum Palm Handpiece. The 004-940-OVAL has additional weight and length compared with the standard palm knob, providing more usable power and a different handle style. Is the 004-940 the Airtact version? No. The 004-940 is the standard Magnum Palm Handpiece. The 004-940-ATSS is the separate Airtact version. Is the 004-940 made in the USA? Yes. The Micro-Tools listing identifies the GRS 004-940 as Made in the United States, and GRS manufactures the Magnum as part of its U.S.-made engraving handpiece lineup. 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: 004-940 UPC: 196943900962 Brand: GRS MPN: 004-940 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. I068F Show more