Magnetic Wall Mount Blade Balancer Replace 339075B Lawn Mower Blade Balancer for All Lawnmower Blades 42-047 Black

What It Is

This magnetic wall mount blade balancer securely holds lawn mower blades for sharpening and balancing, replacing OEM part 339075B. It’s designed for all standard lawn mower blades (push mowers, riding mowers, zero-turns) and mounts to any steel surface or wall bracket.

Fitment & Compatibility

• Universal fit: Works with any blade that has a center hole (round, star, or oval) up to ~1/2” diameter. No deck size or brand restrictions.
• OEM replacement: Directly replaces 339075B (Craftsman, Husqvarna, Poulan, etc.) and aftermarket 42-047.
• Check before buying: Ensure your mounting surface is ferromagnetic (steel) or use the included adhesive plate for non-metal walls. Blade must be under 5 lbs for magnetic hold—heavy tractor blades may slip.
• Measurement: Magnet is 2.5” diameter, clearance needed for blade length (most up to 24” fit).

Key Things to Know

• Quality: Strong neodymium magnet holds blades securely, but thin paint on some blades may reduce grip. Wipe blade clean before mounting.
• Installation: No tools needed—just peel and stick the metal plate (or screw into stud). Takes 2 minutes.
• Gotcha: Not for use during mowing; it’s a storage/maintenance tool. Blade must be centered on magnet to balance correctly.
• Durability: Magnet can crack if dropped; handle with care. Plastic housing is basic but functional.

Should You Buy It

Buy this if you sharpen blades at home and want a hands-free, wall-mounted solution to keep blades organized and balanced. It’s affordable and works for most homeowners, but skip if you need a heavy-duty balancer for commercial use or blades over 5 lbs.