Grip-Rite Stone Wool Insulation Knife

Purpose-built knife for cutting stone wool and mineral wool insulation cleanly. Features an 8-in serrated stainless steel blade and an ambidextrous plastic handle for control and comfort on the job.

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Key Features:

• Insulation-Specific Design: Serrated stainless steel blade slices through stone wool/mineral wool with minimal effort
• Durable Blade: 8-in stainless steel construction resists rust and maintains a sharp edge
• Comfort Grip: Plastic handle shaped for right- or left-handed use
• Jobsite Ready: Fixed, non-retractable blade with no on-tool storage for straightforward performance
• Single-Blade Pack: Includes one knife for immediate use

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Specifications Table:

Specification	Details
Blade Length	8 in
Blade Width	7/8 in
Blade Material	Stainless steel
Blade Type	Serrated, non-retractable, non-folding
Handle Material	Plastic
Handle Length	4 in
Ambidextrous Handle	Yes
Number of Blades Included	1
On-Tool Blade Storage	No
For Use on Stone/Mineral Wool	Yes
For Use on Cardboard	No
Multi-surface	No
Package Quantity	1
Warranty	None
Finish Family	Steel-stainless
UNSPSC	27111500
Prop 65 Warning (CA)	No

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Frequently Asked Questions (FAQ):

Q: Is this knife suitable for cutting fiberglass or drywall?
A: It’s optimized for stone wool/mineral wool; while it can cut other soft insulation, it is not designed as a general drywall or utility knife.

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Q: What is the blade material and length?
A: Stainless steel, 8 inches long with a serrated edge.

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Q: Is the handle comfortable for left-handed users?
A: Yes, the plastic handle is designed for both right- and left-handed use.

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Q: Does the blade fold or retract?
A: No, it is a fixed, non-retractable blade.

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Q: How wide is the blade?
A: Approximately 7/8 inch wide.

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Sculpt Clean Lines Through Dense Insulation

This sleek, serrated blade glides through stone wool like silk, delivering crisp, tailored cuts that make installs feel bespoke. I love the polished stainless steel against the bold red handle—functional yet striking. Pair it with a precise straightedge to create pristine seams and professional finishes behind the walls. It’s a small luxury that elevates the craft of insulation to an art form.

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Cut cleaner, faster, and with confidence—add this Grip-Rite insulation knife to your toolkit today.