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18V ONE+ 4 1/2" Angle Grinder

Model: #P4221

  • Up to 6,500 RPM's enable fast and precise work
  • Includes: Side Handle, Grinding Guard and Wheel, Spanner Wrench
  • 4-1/2" Grinding Wheel for Added Value and Convenience

The RYOBI® 18V ONE+™ 4-1/2 in. Angle Grinder delivers a powerful 6,500 RPM for fast and precise work. This tool offers a host of convenient features, including on-board wrench storage. A comfortable GripZone™ overmold combined with a 3-position side handle help reduce fatigue. A 4-1/2 in. grinding wheel is included for added value and convenience. The 18V ONE+™ Angle Grinder is sold as a bare tool, allowing you to build on your ONE+™ collection without spending additional money on batteries and chargers with each tool purchase. Upgrade to lithium-ion or LITHIUM+™ batteries for lighter weight and better performance.


Ryobi three year warranty

This product is covered by a 3-year limited warranty.

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P421 - 18V ONE+ 4 1/2" Angle Grinder

Maximum Speed (rpm)
Arbor Size
5/8 x 11 UNC
Product Weight (lb.)
3-Year Warranty