King Combination Field Sharpening Stone K-40 #250/#1000 Authentic Japanese Waterstone — Compact Dual-Grit Pocket Stone with Lanyard for Field Tools & Sickles

OVERVIEW & PRODUCT DESCRIPTION
The ultimate pocket-sized dual stone for on-the-go blade maintenance.

Manufactured in Japan by Matsunaga Stone Co., the King K-40 (Kama-To) is a highly practical, square-shaped combination waterstone designed specifically for sharpening field tools, sickles (Kama), garden shears, secateurs, and pocket knives directly in the field.

Featuring a compact block shape with a handy carrying lanyard, this stone offers two essential grits in one portable package:
- #250 Coarse Side: Quickly repairs minor nicks, removes rust, and cleans up heavily worn edges.
- #1000 Medium Side: Refines the edge to restore a razor-sharp, clean cutting finish ready for instant use.

KEY FEATURES & SPECIFICATIONS
- Dual-Grit Performance (#250 / #1000): Features coarse #250 for shape repair and versatile #1000 for everyday sharpening—all in a single compact block.
- Built-In Lanyard Strap: Easily attach to tool belts, pouches, or wrists for quick accessibility and to prevent loss while working in dense foliage.
- Compact Square Profile: Measuring just 135mm × 30mm × 30mm, its slim bar shape is easy to maneuver along curved sickles, shears, and specialized garden blades.
- Trusted Japanese Quality: Made in Japan by Matsunaga Stone Co., famous worldwide for producing high-performing waterstones.

- Specifications:
  - Brand: King (Matsunaga Stone Co., Ltd.)
  - Model: K-40 (#212 / コンビカマト)
  - Grit: Double-Sided #250 (Coarse) / #1000 (Medium)
  - Dimensions: 135mm × 30mm × 30mm (with strap)
  - Origin: Made in Japan

HOW TO USE
Submerge or splash the stone with water prior to use. Hold the stone firmly and stroke the appropriate grit side along the bevel of the blade at a consistent angle. Keep the stone surface moist during use to allow the sharpening slurry to form.