Lee Precision 90109 Chamfer Tool - Case Mouth Deburring Tool

The Lee Precision 90109 Chamfer Tool eliminates sharp edges from brass case mouths, ensuring smooth bullet seating and consistent neck tension. This precision-machined tool prevents case mouth cracking and extends brass life through proper preparation.

What Makes This Different

Unlike generic deburring tools, the Lee 90109 features a precisely angled cutting edge that removes exactly the right amount of material without over-chamfering. The tool's compact design allows for quick, consistent results across multiple calibers. The hardened steel construction maintains its sharp edge through thousands of cases, delivering professional-grade results at a fraction of the cost of powered alternatives.

Key Features

• Precision-ground cutting edge removes burrs and sharp edges from case mouths
• Hardened steel construction resists wear and maintains sharpness
• Universal design works with rifle and pistol cases from .22 to .45 caliber
• Compact 4-inch length fits easily in reloading bench drawers
• Knurled handle provides secure grip during use
• 45-degree chamfer angle optimizes bullet seating performance
• No power source required - completely manual operation

Proper case preparation significantly impacts ammunition consistency and accuracy. The 90109 creates uniform chamfers that guide bullets smoothly into case necks, reducing seating force variations that can affect powder charges. Match shooters rely on consistent neck tension for optimal accuracy, while volume reloaders appreciate the tool's speed and reliability across extended loading sessions.

Technical Specs

• Overall length: 4 inches
• Handle diameter: 0.5 inches
• Material: Hardened carbon steel
• Cutting angle: 45 degrees
• Compatible calibers: .22 through .45
• Weight: 2 ounces
• Finish: Natural steel
• Country of origin: USA

The Lee Precision 90109 Chamfer Tool delivers professional case preparation results without the complexity or cost of powered equipment. This essential reloading tool ensures every case receives proper preparation for optimal ammunition performance.