Marbles MR691 Double Sided Diamond Sharpener 320 & 600 Grit Pocket Stone Compact

The Marbles MR691 Double Sided Diamond Sharpener is a compact, no-nonsense sharpening tool designed for quick edge maintenance wherever you are. Built for portability and simplicity, this pocket-sized sharpener delivers reliable performance for knives, tools, and everyday cutting edges without taking up space in your gear.

Featuring dual grit surfaces, the MR691 gives you both edge restoration and refinement in one slim profile. The 320 grit side is ideal for bringing dull edges back to life, while the 600 grit side smooths and refines for a cleaner, sharper finish. Whether you're in the field, at camp, or working in the shop, this sharpener keeps your edge ready.

Its lightweight, flat design makes it easy to carry in a pocket, pack, or tackle box, offering a straightforward sharpening solution without bulky equipment. For those who want a dependable, affordable sharpening option that travels easily, the Marbles MR691 gets the job done.

Specifications

• Model: MR691
• Product Type: Double Sided Diamond Sharpener
• Grit: 320 (Coarse) / 600 (Fine)
• Actual Dimensions: 3.88" x 0.5" x 0.25"
• Packaged Dimensions: 6.75" x 3" x 0.5"
• Weight: 0.14 lbs
• Construction: Diamond-coated sharpening surfaces
• Packaging: Clam pack
• UPC: 871373006919
• Made in China

Features

• Double-sided design with coarse and fine grit options
• 320 grit restores dull or worn edges quickly
• 600 grit refines and smooths for a sharper finish
• Compact size ideal for pocket, pack, or tackle box carry
• Lightweight and easy to use in the field or at home
• Flat profile works well for knives and small tools
• Simple, durable design with no moving parts
• Great budget-friendly sharpening solution

What’s Included in the Box

• Marbles MR691 Double Sided Diamond Sharpener
• Clam pack packaging