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  • Concave Cup Grinding Wheel
  • Concave Cup Grinding Wheel for Stone

Rockstar Concave Cup Wheels

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Product Description

Our concave cup wheel may be the most versatile item in the Rockstar line. This super light grinding cup has a curved stainless steel backing coated in pure vacuum brazed diamonds. The unique shape makes it perfect for grinding down lippage in stone or concrete and smoothing out sink openings. This cup is also excellent for quickly removing the fiberglass mesh off of the back of stone slabs. Available in extra coarse (16 grit), coarse (30 grit) and medium (100 grit).

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  1. Versatile Stone Cutting Tools 4 Star Review

    Posted by on 22nd Oct 2013

    This is a great stone cutting tool! It is very versatile! I bought the extra coarse and was very pleased.