Stone Ray 3 Head Surface Grinder and Polishing Machine

Power, precision, and versatility — built by Tenax USA.

The Stone Ray 3 Head Hand Grinder Surface Machine is engineered for professional fabricators and restoration specialists who demand reliability, speed, and accuracy across multiple materials. Its compact footprint and balanced 3-head design make it the go-to tool for polishing, grinding, and surface finishing in tight or detailed spaces.

Features 

• Lightweight 7 lb design with 8.25″ working width
• Uses standard 4″ Velcro-backed tooling for quick changes
• Compatible with any 7″ sander/polisher (for blending large surfaces – not included)
• Three 5/8″-11 heads fit standard pads and accessories — no proprietary parts required
• Dust-skirt vacuum port for safe, clean operation
• Wet or dry grinding/polishing capability
• Durable construction backed by a 3-year Tenax USA warranty

Specifications 

• Weight: 7 lbs. 
• Working Width: 8.25" 
• Threads(3): 5/8" - 11 
• Applications 
  • Floors, countertops, stairs, ledges, pools, walls
  • Works on concrete, stone, terrazzo, and wood.
  • Suitable for wet or dry operation.