DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife

DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife is a professional-grade cutting tool engineered for precision, flexibility, and long-lasting performance. Featuring a 7-inch flexible high carbon stainless steel blade, this knife delivers exceptional control for smooth, accurate cuts while maintaining excellent edge retention for demanding daily use.

The DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife is identified by item number 24103 and model number SG133. Its long, narrow flexible blade easily follows contours and tight curves, making it an excellent choice for detailed trimming, fabrication, and precision cutting applications.

For mechanical insulation contractors, the DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife is an outstanding tool for trimming fiberglass pipe insulation, fiberglass duct board, elastomeric insulation, mineral wool, rigid foam insulation, and vapor barriers. The flexible blade glides smoothly around valves, elbows, flanges, pumps, and other complex HVAC components, helping create clean cuts while reducing material waste and improving installation quality.

The ergonomic SofGrip® handle provides a secure, slip-resistant grip that remains comfortable throughout extended use. Its textured surface improves control in wet or dusty conditions while helping reduce hand fatigue during repetitive cutting tasks. Combined with the corrosion-resistant high carbon stainless steel blade, this knife is built to withstand demanding commercial and industrial jobsite environments.

Whether you’re fabricating insulation in the shop or installing materials in the field, the DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife delivers the flexibility, durability, and cutting performance professionals expect. Mechanical insulation contractors, HVAC technicians, industrial fabricators, and skilled tradespeople continue to rely on the DEXTER RUSSELL 24103 SG133 7″ Narrow Fillet Knife for precision cutting, dependable performance, and long service life.

Key Features

• 7-inch flexible high carbon stainless steel blade
• Narrow blade for precision cutting
• Ergonomic SofGrip® handle
• Slip-resistant textured grip
• Corrosion-resistant blade
• Excellent flexibility and control
• Easy to sharpen
• Professional-grade construction
• Made in USA

Common Applications

• Mechanical insulation
• Fiberglass pipe insulation
• Fiberglass duct board
• Elastomeric insulation
• Mineral wool insulation
• Rigid foam insulation
• Vapor barrier trimming
• HVAC fabrication
• Industrial fabrication
• General construction

Specifications

• Brand: Dexter Russell
• Item Number: 24103
• Model Number: SG133
• Product Type: Narrow Fillet Knife
• Blade Length: 7 in.
• Blade Material: High Carbon Stainless Steel
• Blade Style: Narrow Flexible
• Handle Material: SofGrip®
• Handle Color: Black
• Made in USA