Diamond Star®

The Second Generation of Superior NH3 Knives

Here's the standard in fertilizer knives.

Diamond Star® represents the ultimate in craftsmanship and design. In fact, we believe Diamond Star® offers you more in features and value than any other knife you can buy.

Diamond Star® is The State Of The Art in Fertilizer Placement Tools...

The famous alloy point for inmatched wear and durabillty.
Husky 21/2 knife body scientifically heat-treated for strength.
Exclusive chrome-Carbide tube protecter which balances the tube wear with the point.
Improved tube placement.
Improved tube position for longer tube life.
Many hard-to-find tube and attachment options to meet your special needs, including special sealers and tubes for dual application.
Quality workmanship and service for added value.
It delivers what you really want most- performance. This knife will provide more precise placement of NH3, solution fertilizers or liquids over more acres than anything else you can bolt on your application shank.