If you need to restore sharp, clean cuts on manual reel mowers, a reel sharpening compound can be an efficient solution. These products are designed to back-lap and refine reel blades with minimal metal removal, making them ideal for routine maintenance and seasonal touch-ups. The best fits are for homeowners with push-reel mowers from Great States, American Lawn Mower, or compatible brands. The following picks provide a range of grits and kit formats to match your maintenance routine and DIY comfort level.
Summary table of selected products
| Product | Best For | Grit/Format |
|---|---|---|
| Dunkive Reel Mower Sharpening Compound, 120 Grit | Fine edge refinement; quick touch-ups | 120 Grit, 2 x 100 g jars |
| American Lawn Mower SK-1 | DIY sharpening at home; straightforward kit | Sharpening kit (compound and tools) |
| Pinhigh 5 lb 80 Grit | Coarse initial sharpening; ready-to-use | 80 Grit, premixed |
| Dunkive Compound Sharpening Kit | Comprehensive kit with crank and brush | Back-lapping compound + crank + brush |
| huzile 2PCS 80/120 Grit Kit | Two-grit versatility; broad compatibility | 80 Grit and 120 Grit compounds |
Dunkive Reel Mower Sharpening Compound, 120 Grit

This product uses a fine 120 grit grinding compound for back-lapping reel blades, refining edges with minimal metal removal. It is designed for manual reel mowers from Great States and American Lawn Mower. The kit contains two 100 g jars, totaling 7 oz, making it practical for multiple sharpening sessions at home.
Best for: homeowners who perform routine maintenance and prefer small, manageable batches. Choose this if you want gentle edge refinement without heavy material removal.
Limitation: fine grit may require more sessions for heavily dull blades.
American Lawn Mower SK-1 Reel Lawn Mower, Compound Sharpening Kit

The SK-1 sharpening kit provides a DIY approach to keeping blades in peak condition. It focuses on ease-of-use for home maintenance and aims to save time and effort with regular blade upkeep. The kit is designed to maintain cutting power and make blade sharpening straightforward for manual reel mowers.
Best for: users who want a simple, all-in-one sharpening solution that fits into a home maintenance routine. Better for: keeping blades sharp between seasonal services.
Caution: verify compatibility with your exact mower model before use, as SK-1 is tailored to specific reel mower lines.
Pinhigh 5lb 80 Grit Reel Sharpening Compound

This premixed, water-soluble gel compound provides 80 grit for initial sharpening and edge restoration. It is easy to rinse off and ideal for users who want a ready-to-use solution with minimal preparation. The formula emphasizes clingability during application and straightforward cleanup afterward.
Best for: those needing a quick, effective initial sharpening stage with easy cleanup. Choose this if you plan to complete rough sharpening before finishing with a finer grit.
Limitation: 80 grit is coarser, which can remove more metal if used aggressively.
Dunkive Compound Sharpening Kit

This kit includes a back-lapping crank, compound, and a brush. It is compatible with Great States and American Lawn Mower manual push mowers, plus select models like 1705-16 and 1815-18. The kit is designed to maintain cutting power while saving time and effort during sharpening.
Best for: users who want a complete sharpening system with a hand crank for controlled blade rotation. Better for: those needing a dedicated crank tool along with compound.
Caution: confirm model compatibility before ordering to ensure the crank fits your mower.
huzile 2PCS Reel Lawn Mower Sharpening Kit

This versatile kit contains two different grits: 80-grit for initial sharpening and 120-grit for finishing. It is designed for several brands, including Great States, American Lawn Mower, and Earthwise, and can also be used on other tools like shears and knives. The kit includes an applicator brush and is premixed for easy use.
Best for: users seeking a two-grit solution to stage sharpening from coarse to fine. Choose this if you want a single kit that covers a full sharpening progression.
Limitation: not all models are universally compatible; verify mower brand alignment before purchasing.
Rasaech Compound Sharpening Kit

The Rasaech SK-1 kit targets reel mower blades and is compatible with American Lawn Mower, Great States, and Earthwise. It includes a hand crank, brush, and glove for safe operation. The kit emphasizes precision sharpening for reel blades, though it notes exclusions for Fiskars and several other brands.
Best for: DIYers who want a precise, brand-specific sharpening kit with included safety gear. Better for: maintaining consistent edge geometry over multiple sharpening sessions.
Caution: not compatible with Fiskars, Gilmour, Scott, Sears Craftsman, or certain other brands.
Dunkive Reel Mower Sharpening Compound, 2 Packs, 7 oz Total, 80 Grit

This is a medium-coarse 80 grit grinding compound designed for back-lapping reel mowers. It aims to restore cutting edges and improve performance without aggressive metal removal. The package includes two 100 g jars, totaling 7 oz, suitable for several sharpening sessions.
Best for: users needing a middle-ground grit that balances edge restoration with material preservation. Choose this if you want solid performance without heavy metal removal.
Caution: ensure your mower model is compatible with the 80 grit formulation for best results.
Reel Lawn Mower Sharpening Kit – SK-1

The SK-1 sharpening kit is designed for manual reel mowers from Great States, American Lawn Mower, and Earthwise. It emphasizes precision sharpening and a durable construction that supports long-term use. The kit is not compatible with Fiskars, Gilmour, Scott, Sears Craftsman, or other brands listed in the note.
Best for: buyers who want a durable, brand-focused sharpening solution with straightforward operation. Better for: maintaining clean cuts and consistent blade geometry over time.
Caution: check model compatibility to avoid mismatch with your mower’s blade mechanism.
Buying Guide
What grit should I choose for reel mower sharpening?
- 80 Grit: good for initial heavy sharpening and restoring heavily dulled blades. Use cautiously to avoid excessive metal removal.
- 120 Grit: ideal for fine finishing and edge refinement after the initial sharpening.
What kit features matter?
- Included tools: a crank or back-lapping crank can simplify blade rotation.
- Safety gear: gloves and brushes help with safe handling and cleanup.
- Brand compatibility: some kits are designed for specific mower brands; verify before buying.
How often should you sharpen a reel mower?
- Typically at the start of the season and midway through if mowing thick or dense turf. Regular maintenance reduces cutting effort and improves performance.
What is back-lapping?
- A process that rotates the reel blade against a stationary grinding surface to refresh the edge without removing much metal, preserving blade geometry.
Quick compatibility tips
- Look for products explicitly listing compatibility with Great States, American Lawn Mower, or Earthwise manual push mowers for best results.
- If your mower is Fiskars, Gilmour, Scott, or Sears Craftsman, verify alternative kits or dedicated SK-1 models that note compatibility.
Frequently Asked Questions
- What is the difference between 80 grit and 120 grit compounds?
80 grit is coarser and removes more material; 120 grit finishes and smooths the edge. - Can I sharpen a reel mower with water-based compounds?
Yes, many premixed gels are water-soluble and rinse off easily after use. - Do I need a back-lapping crank?
Not always, but a crank can simplify the process and improve control during sharpening. - Is this suitable for all manual reel mowers?
Most listed kits target Great States, American Lawn Mower, and Earthwise models; verify your exact model. - How often should I replace sharpening compound?
As needed based on blade wear and mowing frequency; replace when the paste loses effectiveness.