The GUILLET Forged Steel Fishtail Chisel (Model 7715), traditionally referred to by its French name Ognette, is a specialty professional-grade stonemasonry hand tool manufactured in France. Meticulously forged from high-carbon tempered steel, this chisel features a flared, fan-like cutting profile designed specifically for intricate detailing, undercutting, and clearing hard-to-reach recessed spaces in softer natural stones like limestone, sandstone, and soapstone.
The distinctively flared "fishtail" blade ensures the cutting edge is wider than the shank, allowing the mason to carve out sharp interior corners, deep relief patterns, and delicate sculptural contours without the body of the tool rubbing against or bruising the stone walls.
Product Features & Specifications
• Blade Profile: 10mm wide fishtail edge (Ognette design) engineered for high-precision detailing, relief undercutting, and corner cleaning.
• Shank Dimension: 10mm diameter octagonal shank providing an enhanced, slip-resistant grip surface and robust rigidity under mallet strikes.
• Total Length: 220mm long, providing optimal balance and keeping the carver’s hand safely clear of the striking zone.
• Material Treatment: High-durability forged carbon steel that is shot-blasted and varnished to resist corrosion. It is carefully heat-treated to retain a razor-sharp edge while remaining easy to touch up with hand files.
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